Saturday

December 20, 2014

December 20, 2014

Posted by **GGIFT** on Thursday, February 25, 2010 at 8:05am.

1+2x+6x^2+9x^3+7-2x+6x^2-9x^3...

won't I have to combine terms & then get

8+12x^2

cause won't the 9x^3 and the 2x cancel itself out???

- ALGEBRA -
**Reiny**, Thursday, February 25, 2010 at 8:17amYou can only add/subtract "like" terms, that is, you can add x^3's to x^'s, x's to x's etc.

so yes, you are right.

- ALGEBRA -
**GGIFT**, Thursday, February 25, 2010 at 8:20amthanks!!!

**Answer this Question**

**Related Questions**

algebra - 5x -3 = 11 + 12x combine like figures add 3 to both sides to remove ...

Algebra - 2(3x - 7) + 4 (3 x + 2) = 6 (5 x + 9 ) + 3 how will solve it? well you...

Simplifying Rational Expressions - 1.4x12 / 4x 2.d+7 / d^2-49 3.t^2-25 / t^2+t-...

maths - Can someone please help me with solving this equation (I dont know how ...

intermediate algebra - Write the equation of the line containing (-3,4) and ...

Maths - you have to solve the following by finding the value of x and y. can u ...

algebra--distributive - how would you do this prob. negative4-(5y+6) = negative ...

Algebra1 - how do i sove this problem -12q+4=8q-6 -12+4=8q-6 First you want to ...

Algebra Functions - I don't know how to simplify the following functions (I get ...

Calculus - Series - Why is the limit of the sum n=1 to infinity of ln(2(n+1))–...