Question

(2x +3) ² - (2x -5)²

Answer 1

`32x-16`

Explanation:

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

expand the equation.

`(2x+3)(2x+3) - (2x-5)(2x-5)`
then distribute.

`(4x^(2) +6x + 6x+9) - (4x^2 - 10x - 10x + 25)`

finally simplify the equation.

=
`32x-16`