Question

(20x2 – 12x) + (25x– 15)
4x(5x – 3) + 5(5x – 3)

(5x – 3)(
x +
)

Answer 1

Explanation:

(20x2 – 12x) + (25x– 15)

4x(5x – 3) + 5(5x – 3)

(( (5x – 3)(4x +5) ))

Answer 2

(4x+5)

Explanation:

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

collecting like terms, first part is (5x-3) hence second part of the equation is (4x+5) from the equation above.