Solve X²-5X-14=0 using quadratic formula
1 answer:
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
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