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Butoxors [25]
3 years ago
6

Which is a solution to the equation? (х-2)(х + 5) = 18?

Mathematics
1 answer:
jok3333 [9.3K]3 years ago
4 0

\bf (x-2)(x+5)=18\implies \stackrel{\mathbb{F~O~I~L}}{x^2+3x-10}=18\implies x^2+3x-28=0 \\\\\\ (x-4)(x+7)=0\implies x= \begin{cases} 4\\ -7 \end{cases}

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