Question

Simplify: (2x)^2+5x-6​

Answer 1

Answer:

x = 3/4 , -2

Step-by-step explanation:

(2x)² + 5x - 6

4x² + 5x - 6

4x² + (8-3)x - 6

4x² + 8x - 3x - 6

4x(x + 2).-3(x + 2)

(4x - 3)(x + 2)

4x - 3 = 0 , x + 2 = 0

4x = 3 , x = -2

x = 3/4 , x = -2