Question

solve X²-5X-14=0 using quadratic formula

Answer 1

Answer:

x=-2 or x=7

Step-by-step explanation:

X²-5X-14=0  find the factors of -14x² which is -7x and +2x

X² -7x + 2x - 14 = 0   factorize

x(x-7) + 2(x-7) = 0

(x+2)(x-7) =0

x+2 = 0 or x-7= 0

x=-2 or x=7