Question Simplify the expression y2−72y3 Evaluate y2−12y3×6Solution y2−72y3 Show Solution Factor the expression y2(1−72y) Evaluate y2−12y3×6Multiply the terms y2−72y3Rewrite the expression y2−y2×72ySolution y2(1−72y) Show Solution Find the roots y1=0,y2=721Alternative Form y1=0,y2=0.0138˙ Evaluate y2−12y3×6To find the roots of the expression,set the expression equal to 0 y2−12y3×6=0Multiply the terms y2−72y3=0Factor the expression y2(1−72y)=0Separate the equation into 2 possible cases y2=01−72y=0The only way a power can be 0 is when the base equals 0 y=01−72y=0Solve the equation More Steps Evaluate 1−72y=0Move the constant to the right-hand side and change its sign −72y=0−1Removing 0 doesn't change the value,so remove it from the expression −72y=−1Change the signs on both sides of the equation 72y=1Divide both sides 7272y=721Divide the numbers y=721 y=0y=721Solution y1=0,y2=721Alternative Form y1=0,y2=0.0138˙ Show Solution