6 - x - x²
solve with splitting middle term.
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Answer:
x=-3 or x=2
Step-by-step explanation:
6-x-x^2=0
x^2+x-6=0
x^2+3x-2x-6=0
Taking common
x(x+3)-2(x+3)=0
(x+3)(x-2)=0
x=-3 or x=2
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