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Leno4ka [110]
3 years ago
6

Factor and solve to find roots x squared -x - 90 =0

Mathematics
1 answer:
ivanzaharov [21]3 years ago
3 0

x^2-x-90=0\\x^2+9x-10x-90=0\\x(x+9)-10(x+9)=0\\(x-10)(x+9)=0\\x=10 \vee x=-9

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