Question

Help pls
Expand and simplify
(2x*2+ 3)(4x + 5) – 8x(x*2- 2)

Answer 1

Check the attached picture

Explanation:

Answer 2

Explanation:

(2x²+3)(4x + 5) - 8x(x²-2)

or, 2x²(4x + 5) + 3(4x +5) - 8x(x²-2)

or, 8x³+10x² + 12x + 15 - 8x³+16x

or, 8x³-8x³+12x+16x + 10x² + 15

or, 0+28x + 10x² + 15

= 28x + 10x² + 15

Hope it helped you :)