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Nookie1986 [14]
3 years ago
5

Factor x^2 + 7x -18 Please help

Mathematics
1 answer:
Anton [14]3 years ago
4 0
x^2 + 7x -18=\\
x^2-2x+9x-18=\\
x(x-2)+9(x-2)=\\
(x+9)(x-2)
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