Question Simplify the expression 53x2−42x Evaluate 53x2−6x×7Solution 53x2−42x Show Solution Factor the expression 53x(x−70) Evaluate 53x2−6x×7Multiply the terms 53x2−42xRewrite the expression 53x×x−53x×70Solution 53x(x−70) Show Solution Find the roots x1=0,x2=70 Evaluate 53x2−6x×7To find the roots of the expression,set the expression equal to 0 53x2−6x×7=0Multiply the terms 53x2−42x=0Factor the expression More Steps Evaluate 53x2−42xRewrite the expression 53x×x−53x×70Factor out 53x from the expression 53x(x−70) 53x(x−70)=0When the product of factors equals 0,at least one factor is 0 53x=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