Question Simplify the expression 3x2−210x Evaluate 3x2−14x×15Solution 3x2−210x Show Solution Factor the expression 3x(x−70) Evaluate 3x2−14x×15Multiply the terms 3x2−210xRewrite the expression 3x×x−3x×70Solution 3x(x−70) Show Solution Find the roots x1=0,x2=70 Evaluate 3x2−14x×15To find the roots of the expression,set the expression equal to 0 3x2−14x×15=0Multiply the terms 3x2−210x=0Factor the expression More Steps Evaluate 3x2−210xRewrite the expression 3x×x−3x×70Factor out 3x from the expression 3x(x−70) 3x(x−70)=0When the product of factors equals 0,at least one factor is 0 3x=0x−70=0Solve the equation for x x=0x−70=0Solve the equation for x More Steps Evaluate x−70=0Move the constant to the right-hand side and change its sign x=0+70Removing 0 doesn't change the value,so remove it from the expression x=70 x=0x=70Solution x1=0,x2=70 Show Solution