Question Simplify the expression 64a2−432a Evaluate 64a2−48a×9Solution 64a2−432a Show Solution Factor the expression 16a(4a−27) Evaluate 64a2−48a×9Multiply the terms 64a2−432aRewrite the expression 16a×4a−16a×27Solution 16a(4a−27) Show Solution Find the roots a1=0,a2=427Alternative Form a1=0,a2=6.75 Evaluate 64a2−48a×9To find the roots of the expression,set the expression equal to 0 64a2−48a×9=0Multiply the terms 64a2−432a=0Factor the expression More Steps Evaluate 64a2−432aRewrite the expression 16a×4a−16a×27Factor out 16a from the expression 16a(4a−27) 16a(4a−27)=0When the product of factors equals 0,at least one factor is 0 16a=04a−27=0Solve the equation for a a=04a−27=0Solve the equation for a More Steps Evaluate 4a−27=0Move the constant to the right-hand side and change its sign 4a=0+27Removing 0 doesn't change the value,so remove it from the expression 4a=27Divide both sides 44a=427Divide the numbers a=427 a=0a=427Solution a1=0,a2=427Alternative Form a1=0,a2=6.75 Show Solution