Question

Combine like terms. -3 + 7x^2- 4x – 5 + 3x^2 – 2x

Answer 1

-8 + 10x^2 - 6x

Explanation:

(doesn’t have to be in this order)

1. Combine numbers with the x^2

-3 + 10x^2 - 4x - 5 - 2x

2. Combine regular numbers

-8 + 10x^2 - 4x - 2x

3. Combine numbers with the plain x

-8 + 10x^2 - 6x

Answer 2

The expression is given as,

`-3+7x^2-4x-5+3x^2-2x`

Rearranging the like terms,

`7x^2+3x^2-4x-2x-5-3`

Like terms : Terms that have same power of variable.

Simplifying further,

`10x^2-6x-8`

Thus the result of the given expression is,

`10x^2-6x-8`