briannasalzman2016
briannasalzman2016
09-05-2021
Mathematics
contestada
2x^2-2x-4=0 solve for x
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breeeee225
breeeee225
09-05-2021
divide both sides by 2 and rewrite too X^2 - x - 2 = 0. then factor and get x(x+1)-2(x+1)=0. separate them to (x+1)(x-2)=0 then you get x+1=0 and x-2=0 and solve and X equals -1 & 2
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