Answer to Question #263947 in Algebra for Afaq

Question #263947

Qs=-x^2 +600x +25

Expert's answer

"-x^2 +600x +25=0"

"x=\\frac{600\\pm \\sqrt{360000+100}}{2}"

"x_1=205,x_2=395"

"Q_s=-(x-205)(x-395)"

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