Question Simplify the expression a−72a2 Evaluate a−a2×72Solution a−72a2 Show Solution Factor the expression a(1−72a) Evaluate a−a2×72Use the commutative property to reorder the terms a−72a2Rewrite the expression a−a×72aSolution a(1−72a) Show Solution Find the roots a1=0,a2=721Alternative Form a1=0,a2=0.0138˙ Evaluate a−a2×72To find the roots of the expression,set the expression equal to 0 a−a2×72=0Use the commutative property to reorder the terms a−72a2=0Factor the expression More Steps Evaluate a−72a2Rewrite the expression a−a×72aFactor out a from the expression a(1−72a) a(1−72a)=0When the product of factors equals 0,at least one factor is 0 a=01−72a=0Solve the equation for a More Steps Evaluate 1−72a=0Move the constant to the right-hand side and change its sign −72a=0−1Removing 0 doesn't change the value,so remove it from the expression −72a=−1Change the signs on both sides of the equation 72a=1Divide both sides 7272a=721Divide the numbers a=721 a=0a=721Solution a1=0,a2=721Alternative Form a1=0,a2=0.0138˙ Show Solution