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Danna Jacobs
Mathematics
9 August, 11:48
Factor. x2+5x-14 polynomials and binomials
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Arjun Collins
9 August, 12:05
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These are a lot easier when they r like this ... no coefficient in front of ur x^2.
x^2 + 5x - 14 ... u see ur last sign, the - ... this tells me that in ur 2 factors, both signs will be different ... one is positive and one is negative. U see ur first sign, the +, this tells me that ur bigger number will be positive.
Now we just have to find 2 numbers, that when added = 5 and when multiplied = 14, So ur 2 numbers are 7 and 2.
(x^2 + 5x - 14) =
(x + 7) (x - 2) <===
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