factorise. : x²–x–4. plz tell quickly
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2
Step-by-step explanation:
x²–x–4
x^2 + x - 2x - 4
x(x + 2) - 2( x + 2)
(x - 2) (x + 2)
x = -2, 2
Answered by
2
Answer:
by quadratic formula , correct answer
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