Question

Simplify:

5(x-12x²)+3 (4x+7x²)
2
OA) 39x + 17x
2
OB) -72x + 7x
OC)
2
OD) 72x + 7x
2
-39x + 17x

Answer 1

- 39x² + 17x

Explanation:

5(x - 12x²) + 3(4x + 7x² ) ← distribute both parenthesis

= 5x - 60x² + 12x + 21x² ← collect like terms

= - 39x² + 17x