algebra

add the following
(-8x^2-2x+4)+(x^2-9x+7)

  1. 👍 0
  2. 👎 0
  3. 👁 46
asked by mema
  1. (-8x^2-2x+4)+(x^2-9x+7)=
    -8x^2+x^2 -2.4x+(-9x) +4+7=
    -7x^2 -2.4x-9x +11=

    -7x^2 -11.4x +11

    1. 👍 0
    2. 👎 0
  2. (-8x^2-2x+4)+(x^2-9x+7)
    to add, we just combine the numerical coefficients (or the numbers before the variable) of the same variables (meaning same letters and same exponents).
    thus,
    (-8x^2 - 2x + 4 ) + ( x^2 - 9x + 7 )
    -7x^2 - 11x + 11

    hope this helps~ :)

    1. 👍 0
    2. 👎 0
    posted by Jai

Respond to this Question

First Name

Your Response

Similar Questions

  1. bartlett hill,math

    add the like terms together.a+b+a+2b Okay. Well, the questoin says to add the like terms together, that means add the A's together and add the B's together. a+b+a+2b Alright, so your a's and your first b don't have a number in

    asked by kadeisha on April 26, 2007
  2. chemistry

    to complex ( K2[Cu(C2O4)2]H2O, add 1 com of dil. H2SO4. Add KI; then add 1-2cm3 choloform and shake gently. what are the observations.

    asked by jamie on April 3, 2016
  3. statistics

    Use summation notation to express each of the following calculations: a. Add 1 point to each score, then add the resulting values. b. Add 1 point to each score and square the result, then add the squared values. c. Add the scores

    asked by Liz on June 22, 2011
  4. statistics

    Use summation notation to express each of the following calculations: a. Add 1 point to each score, then add the resulting values. b. Add 1 point to each score and square the result, then add the squared values. c. Add the scores

    asked by Liz on June 22, 2011
  5. English

    1. Add some soil at the bottom. 2. Add some soil in the ground. 3. Add some on the floor. 4. Add some soil in the hole. (Are the sentences grammatical?)

    asked by rfvv on June 15, 2013
  6. COMPUTERS-EXCEL 2007

    which one of the following formulas accurately describes the meaning of this formula: (A5*B5)+10 A)add 10 to B5 and multiply the resulting value by A5 B)multiply A5 bY B5,then add 10 to the resulting value C)divide B5 into A5,then

    asked by vedrana on October 4, 2011
  7. Math

    Which of the following would eliminate the variable on the left side of the given equation? 36 - 19w = -6w + 41 A)add -19w B)add 6w C)add 19w D)add -36

    asked by Anonymous on March 5, 2010
  8. math

    Which of the following would eliminate the variable on the left side of the given equation? 36 - 19w = -6w + 41 A)add -19w B)add 6w C)add 19w d)add -36

    asked by Anonymous on February 25, 2010
  9. math

    Which of the following would eliminate the variable on the left side of the given equation? 36 - 19w = -6w + 41 A)add -19w B)add 6w C)add 19w D)add -36

    asked by nicky on February 25, 2010
  10. Math

    Which of the following would eliminate the variable on the left side of the given equation? 36 - 19w = -6w + 41 A)add -19w B)add 6w C)add 19w D)add -36

    asked by george on February 3, 2010
  11. Statistics: Regression

    The June 1997 issue of Management Accounting gave the following rule for predicting your current salary if you are a managerial accountant. Take $31,865. Next, add $20,811 if you are top management, add $3604 if you are senior

    asked by Brad on October 10, 2012

More Similar Questions