Factorize x2 +2x-35. Tell me
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2
x²+2x-35
x²-5x+7x-35
x(x-5)+7(x-5)
(x-5)(x+7)
x²-5x+7x-35
x(x-5)+7(x-5)
(x-5)(x+7)
Answered by
1
x2+7x-5x-35
x (x+7)-5 (x+7)
(x+7) (x-5)
therefore
x=-7 or x=5
x (x+7)-5 (x+7)
(x+7) (x-5)
therefore
x=-7 or x=5
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