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> 1x2 + 1x - 20 = 0
Math
1x2 + 1x - 20 = 0
Asked by
AnneS2
on 17 Mar 07:32
Last updated by
anonymous
on 18 Mar 11:10
1
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Answered by
CherieS
on 18 Mar 11:10
1 x^2+1 x-20 = 0
x^2+x = 20 (x-4) (x+5) = 0 (x+1/2)^2-81/4 = 0
x=-5
x=4