Question

Solve using the quadratic formula and please show your work: 2x²+2x-40

Answer 1

2(x+5)(x-4)

Explanation:

To solve this question, you will use the quadratic formula.

(2x^2 + 2x) - 40

2x^2 + 2x - 40 = 2(x^2 + x -20)

x^2 - 4x +5x - 20

2(x+5)(x-4)