Question

Factor 20x2 + 25x – 12x – 15 by grouping.

Answer 1

(4x+5) (5x-3)

Explanation:

20x^2 + 25x – 12x – 15

From the first two terms factor out 5x and the last two terms factor out -3

5x(4x+5) -3(4x+5)

Now we can factor out (4x+5)

(4x+5) (5x-3)