split the middle term for x^2+x-306=0
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Answered by
4
x²+(18-17)x-306=0
x²+18x-17x-306=0
x(x+18)-17(x+18)=0
(x-17)(x+18)=0
x=17, -18
Answered by
3
nice question,
so here's your answer
x^2+x-306
x^2+(18-17)x-306
x^2+18x-17x-306
x(x+18)-17(x+18)
(x-17)(x+18)
so here's your answer
x^2+x-306
x^2+(18-17)x-306
x^2+18x-17x-306
x(x+18)-17(x+18)
(x-17)(x+18)
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