What is the value of x in the equation
2x + x × x= 35
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Answer:
2x +x×x=35
2x+x^2=35
x^2+2x-35=0
by splitting midterm
x^2+(7-5)x-35=0
x^2+7x-5x-35=0
x (x+7)-5 (x+7)=0
(x-5)(x+7)=0
x=5,x=-7
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