解方程:(x+5)*x=14

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解方程:(x+5)*x=14解方程:(x+5)*x=14解方程:(x+5)*x=14(x+5)*x=142x+5x=147x=14x=14/7x=2(X+5)x=14x2+5x-14=0(x+7)(x

解方程:(x+5)*x=14
解方程:(x+5)*x=14

解方程:(x+5)*x=14
(x+5)*x=14
2x+5x=14
7x=14
x=14/7
x=2

(X+5)x=14
x2+5x-14=0
(x+7)(x-2)=0
x=-7 or 2

(x+5)*x=14
x^2+5x-14=0
(x-2)(x+7)=0
x1=2,x2=-7

(x+5)*x=14
x^2+5x-14=0
(x-2)(x+7)=0
x1=2,x2=-7
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x=2