Algebra

1. 12 + 8a + 4a^2

2. Factorise -5x^2 + 27x - 10

Please show me full working out. Thank you!

  1. 👍 0
  2. 👎 0
  3. 👁 45
asked by Jason
  1. 4 (a^2 + 2 a + 3)

    -1(5x^2-27x+10)

    -1(5x-2)(x-5)

    1. 👍 0
    2. 👎 0
    posted by Damon

Respond to this Question

First Name

Your Response

Similar Questions

  1. Algebra (Intermediate)

    5. Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 9x + 6y = 60 -27x Ð 18y = -180 Here's where I am at now: 9x(3) + 6y(3) = 60 27x +18y + 60 27 x +

    asked by JerryJ on October 11, 2010
  2. Math

    [(6x+1)^3][(27x^2+2)-(9x^3+2x)](3)[(6x+1)^2](6) over [(6x+1)^3]^2 Help me simplify please? Here's what I got so far: [(6x+1)^5]{(27x^2+2)-[x(9x^2+2)]}(18) over (6x+1)^6 It says in the back of the book (it's an odd problem that the

    asked by Nikki on September 10, 2008
  3. 10th Grade Algebra

    Please help me with these factorise algebra questions!!! 1. 9c squared + 30c + 25 - 4d squared 2. 12 + 89 - 4a squared 3. -5x squared + 27x - 10 4. If A= 15x squared - 20x +11 and B= 1 + 9x+ 5x squared, then A-B when factorised

    asked by Jason on May 1, 2011
  4. Math - Logarithmic

    Solve: 2log_3(x) - log_3(x-2) = 2 My Work: log_3(x^2) - log_3(x-2) = log_3(3^2) log_3 [(x^2) / (x-2)] = log_3(27) (x^2) / (x-2) = 27 x^2 = (x-2)(27) x^2 = 27x - 54 x^2 - 27x = -54 27x = -54 x = -2 Textbook Answer: 3 or 6 Where did

    asked by Anonymous on December 12, 2007
  5. Maths

    Show that (x + 1)(x – 3)(x – 4) = x3 – 6x2 + 5x + 12 I'm so sorry but I can't show any working for this as I don't have a clue how to factorise when there are no common letters and numbers? Thanks!

    asked by Maria on November 12, 2015
  6. 8th grade pre-algebra

    Can you check the following questions,please? Simplify 30. (-2y)^0/(3x^2)^-3 = 1/(3^-3)(x^-6) = 1/-27x^-6 = 27x^6 42. (-7x^5/14y^3)^3 = (-1^3)(x^15)/(2^3)(y^9) = (-1x^15)/8y^9

    asked by Alexis on October 12, 2015
  7. rational exponents

    Express cube root 27x^4y^6 using rational exponents (27x^4y^6)1/3 (27^1/3)(x^4/3)(y^6/3) stuck. I think the final answer is 9x^3/4(y^2) I don't know where to put the parentheses to break it up so I hope yall understand what it's

    asked by Anonymous on August 25, 2008
  8. Maths

    Can someone factorise 25x^2-25xy+6y^2 show your work please

    asked by Anonymous on February 26, 2011
  9. Maths

    For the curve y = x^3 - 27x - 3, show that it is monotonic increasing for all values of x. Thanks to anyone who helps

    asked by Fred on October 23, 2018
  10. math

    factorise 7x^2 - 19x + 10 13x - 20 - 2x^2 28n - 10 + 6n^2 please can you show me the method thanks

    asked by tom on April 18, 2010

More Similar Questions