Question

Factor completely 5x2 − 40

Answer 1

5(x^2-8)

Explanation:

5x^2-40

factor out 5 cause 5 goes into 5 itself and 5 goes into 40

5*1 = 5

5*8 = 40

x^2 stays the same

so when you put it all together, the answer is: 5(x^2-8)