Question

Factor completely.
5x2+ 25x + 20

Answer 1

x = -1 or -4

Explanation:

5x^2+ 25x + 20

take 5 as common

5(x^2 + 5x + 4)

x^2 + 5x + 4 = 0

x^2 + x + 4x + 4 = 0

x(x + 1) + 4(x + 1) = 0

(x + 1) (x + 4) = 0

x = -1 or -4

Answer 2

510

Explanation:

Group and factor out the greatest common factor (GCF), then combine.