Final Answer
$x=0,\:x=4$
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Step-by-step Solution
Problem to solve:
$-x^2+4x=0$
Specify the solving method
1
Factor the polynomial $-x^2+4x$ by it's GCF: $x$
$x\left(-x+4\right)=0$
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$x\left(-x+4\right)=0$
Learn how to solve quadratic equations problems step by step online. Solve the quadratic equation -x^2+4x=0. Factor the polynomial -x^2+4x by it's GCF: x. Break the equation in factors and set each equal to zero, to obtain. Solve the equation (1). The variable is already isolated, so the solution is.
Final Answer
$x=0,\:x=4$