qiadratic equation x square+8x+20
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Dear, please provide the figure
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in the second step -20 on both the side and in the fourth step add 16 both side
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x²+8x+20=0
x²+10x+2x+20=0
x(x+10)+2(x+10)=0
(x+10)(x+2)=0
10x+2x=0
x=12
x²+10x+2x+20=0
x(x+10)+2(x+10)=0
(x+10)(x+2)=0
10x+2x=0
x=12
the answer is wrong
8x is not equal to 10x +2x
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