Question

Add.

(6x3+3x2−2)+(x3−5x2−3)

Express the answer in standard form.

Answer 1

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

Explanation:

We need to add the two terms.

`(6x^3+3x^2-2)+(x^3-5x^2-3)`

Solving,

Combine the like terms and adding those terms

`(6x^3+3x^2-2)+(x^3-5x^2-3)\\=6x^3+3x^2-2+x^3-5x^2-3\\=6x^3+x^3+3x^2-5x^2-2-3\\=7x^3-2x^2-5`

So, the answer is:

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