Question

factorise the following8x^2-14x-9​

Answer 1

Answer:

x = -1/2   Or   x = 1/2

Step-by-step explanation:

8x² - 14x -9 =0

8x²+ 4x - 18x -9 = 0

4x (2x + 1) - 2(2x + 1) = 0

(2x + 1)(4x - 2) = 0

(2x + 1) = 0  Or  (4x - 2) = 0

x = -1/2   Or   x = 1/2