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x2+7x-8 = (x-1(x+8)

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Q: What is x2 plus 7x-8?
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What is 7x8 plus 9x12?

it is 164 see that 7x8=56 plus 108 equals 164


How can this equation be solve x2 5x 60 a2-5a0 x2 20-8x 18d-81d2 x2 7x8 x2-640 2b-b-210?

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