Question

Multiply 5x2(2x2 + 13x − 5). 10x4 + 65x3 − 25x2 10x2 + 65x − 25 7x2 + 18x − 10 7x4 + 18x3 − 10x2

Answer 1

you have to distribute. i think the answer is 10x^4+65X^3-25X^2

Answer 2

`10x^4+65x^3-25x^2`

Explanation:

Multiply 5x^2(2x^2 + 13x − 5)

`5x^2(2x^2 + 13x - 5)`

Multiply 5x^2 inside the parenthesis

`5x^2 * 2x^2 = 10x^4`

`5x^2 * 13x = 65x^3`

`5x^2 * (-5) = -25x^2`

Collect all the terms together

`10x^4+65x^3-25x^2`