Question j2−8j×15 Simplify the expression j2−120j Evaluate j2−8j×15Solution j2−120j Show Solution Factor the expression j(j−120) Evaluate j2−8j×15Multiply the terms j2−120jRewrite the expression j×j−j×120Solution j(j−120) Show Solution Find the roots j1=0,j2=120 Evaluate j2−8j×15To find the roots of the expression,set the expression equal to 0 j2−8j×15=0Multiply the terms j2−120j=0Factor the expression More Steps Evaluate j2−120jRewrite the expression j×j−j×120Factor out j from the expression j(j−120) j(j−120)=0When the product of factors equals 0,at least one factor is 0 j=0j−120=0Solve the equation for j More Steps Evaluate j−120=0Move the constant to the right-hand side and change its sign j=0+120Removing 0 doesn't change the value,so remove it from the expression j=120 j=0j=120Solution j1=0,j2=120 Show Solution