Question Simplify the expression 80x2−18900x Evaluate 80x2−189x×100Solution 80x2−18900x Show Solution Factor the expression 20x(4x−945) Evaluate 80x2−189x×100Multiply the terms 80x2−18900xRewrite the expression 20x×4x−20x×945Solution 20x(4x−945) Show Solution Find the roots x1=0,x2=4945Alternative Form x1=0,x2=236.25 Evaluate 80x2−189x×100To find the roots of the expression,set the expression equal to 0 80x2−189x×100=0Multiply the terms 80x2−18900x=0Factor the expression More Steps Evaluate 80x2−18900xRewrite the expression 20x×4x−20x×945Factor out 20x from the expression 20x(4x−945) 20x(4x−945)=0When the product of factors equals 0,at least one factor is 0 20x=04x−945=0Solve the equation for x x=04x−945=0Solve the equation for x More Steps Evaluate 4x−945=0Move the constant to the right-hand side and change its sign 4x=0+945Removing 0 doesn't change the value,so remove it from the expression 4x=945Divide both sides 44x=4945Divide the numbers x=4945 x=0x=4945Solution x1=0,x2=4945Alternative Form x1=0,x2=236.25 Show Solution