SrihanK693508 SrihanK693508

26-10-2022
Mathematics

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Factor the quadratic equation below. x2 – 3x – 10 = 0 (x - 5) (x + 2) = 0 0 (x-3) (x - 10) = 0 O O O O(x-7)(x-3) = 0 O(x + 7) (x + 3) = 0

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ZykingB790713 ZykingB790713

26-10-2022

[tex](x+a)(x+b)=x^2+(a+b)x+ba[/tex]

We need a b in such a way that a+b = - 3 and a*b = - 10

[tex]a\text{ = -5 b = 2}\rightarrow(x-5)\cdot(x+2)=0[/tex]

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