Answer:
= 3x(3x + 2)
Step-by-step explanation:
(4x^2 - 2x) - (-5x^2 - 8x)
= 4x^2 - 2x + 5x^2 + 8x
= 4x^2 + 5x^2 - 2x + 8x
= 9x^2 + 6x
Answer:9x^2+6x
(4x^2-2x)-(-5x^2-8x)
Remove brackets
4x^2-2x+5x^2+8x
Collect like terms
4x^2+5x^2-2x+8x
9x^2+6x
