Question Factor the expression a(a−4) Evaluate a2−4aRewrite the expression a×a−a×4Solution a(a−4) Show Solution Find the roots a1=0,a2=4 Evaluate a2−4aTo find the roots of the expression,set the expression equal to 0 a2−4a=0Factor the expression More Steps Evaluate a2−4aRewrite the expression a×a−a×4Factor out a from the expression a(a−4) a(a−4)=0When the product of factors equals 0,at least one factor is 0 a=0a−4=0Solve the equation for a More Steps Evaluate a−4=0Move the constant to the right-hand side and change its sign a=0+4Removing 0 doesn't change the value,so remove it from the expression a=4 a=0a=4Solution a1=0,a2=4 Show Solution
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