annabutcher2017 annabutcher2017

12-07-2017
Mathematics

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Solve this quadratic equation. x^2+2x-22=0

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jjmcdoge jjmcdoge

12-07-2017

x=⁻3 and x=1
because
a+b=2 which means a=3 and b=⁻1 which added up equals 2
a×b=⁻22 which means that 11 which is a×⁻2 which is b=⁻22

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