Question Simplify the expression 4x2−360x Evaluate 4x2−20x×18Solution 4x2−360x Show Solution Factor the expression 4x(x−90) Evaluate 4x2−20x×18Multiply the terms 4x2−360xRewrite the expression 4x×x−4x×90Solution 4x(x−90) Show Solution Find the roots x1=0,x2=90 Evaluate 4x2−20x×18To find the roots of the expression,set the expression equal to 0 4x2−20x×18=0Multiply the terms 4x2−360x=0Factor the expression More Steps Evaluate 4x2−360xRewrite the expression 4x×x−4x×90Factor out 4x from the expression 4x(x−90) 4x(x−90)=0When the product of factors equals 0,at least one factor is 0 4x=0x−90=0Solve the equation for x x=0x−90=0Solve the equation for x More Steps Evaluate x−90=0Move the constant to the right-hand side and change its sign x=0+90Removing 0 doesn't change the value,so remove it from the expression x=90 x=0x=90Solution x1=0,x2=90 Show Solution