Question Simplify the expression 7x2−56x Evaluate 7x2−8x×7Solution 7x2−56x Show Solution Factor the expression 7x(x−8) Evaluate 7x2−8x×7Multiply the terms 7x2−56xRewrite the expression 7x×x−7x×8Solution 7x(x−8) Show Solution Find the roots x1=0,x2=8 Evaluate 7x2−8x×7To find the roots of the expression,set the expression equal to 0 7x2−8x×7=0Multiply the terms 7x2−56x=0Factor the expression More Steps Evaluate 7x2−56xRewrite the expression 7x×x−7x×8Factor out 7x from the expression 7x(x−8) 7x(x−8)=0When the product of factors equals 0,at least one factor is 0 7x=0x−8=0Solve the equation for x x=0x−8=0Solve the equation for x More Steps Evaluate x−8=0Move the constant to the right-hand side and change its sign x=0+8Removing 0 doesn't change the value,so remove it from the expression x=8 x=0x=8Solution x1=0,x2=8 Show Solution