Question

2x^2 + 2x - 40

Answer 1

x^2 +x -20=0

Answer 2

Factor out the 2 first

Answer 3

2(x^2+x-20)
2(x+5)(x-4)

Answer 4

2(x + x - 20)
How do I go from there?

Answer 5

Find two numbers whose product is -20 and who sum is 1

Answer 6

-4(5)=-20 and -4+5=1
So write 2(x+5)(x-4)