Question Simplify the expression Solution a2−72a3 Evaluate a2−12a3×6Solution a2−72a3 Show Solution Factor the expression Factor a2(1−72a) Evaluate a2−12a3×6Multiply the terms a2−72a3Rewrite the expression a2−a2×72aSolution a2(1−72a) Show Solution Find the roots Find the roots of the algebra expression a1=0,a2=721Alternative Form a1=0,a2=0.0138˙ Evaluate a2−12a3×6To find the roots of the expression,set the expression equal to 0 a2−12a3×6=0Multiply the terms a2−72a3=0Factor the expression a2(1−72a)=0Separate the equation into 2 possible cases a2=01−72a=0The only way a power can be 0 is when the base equals 0 a=01−72a=0Solve the equation 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