x²-7x-18=0 factorización
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Answered by
7
Answer:
hey, pls see the attached
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Answered by
1
Answer:
(x-9)(x+2)
Explanation:
x²-7x-18=0
x²-9x+2x-18. (sum:7;product:18)
group factors
(x²-9x)+(2x-18)
taking out common factors
x(x-9) +2 (x-9)
(x-9)(x+2)
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