Question Simplify the expression −3x2−80x Evaluate −3x2−10x×8Solution −3x2−80x Show Solution Factor the expression −x(3x+80) Evaluate −3x2−10x×8Multiply the terms −3x2−80xRewrite the expression −x×3x−x×80Solution −x(3x+80) Show Solution Find the roots x1=−380,x2=0Alternative Form x1=−26.6˙,x2=0 Evaluate −3x2−10x×8To find the roots of the expression,set the expression equal to 0 −3x2−10x×8=0Multiply the terms −3x2−80x=0Factor the expression More Steps Evaluate −3x2−80xRewrite the expression −x×3x−x×80Factor out −x from the expression −x(3x+80) −x(3x+80)=0When the product of factors equals 0,at least one factor is 0 −x=03x+80=0Solve the equation for x x=03x+80=0Solve the equation for x More Steps Evaluate 3x+80=0Move the constant to the right-hand side and change its sign 3x=0−80Removing 0 doesn't change the value,so remove it from the expression 3x=−80Divide both sides 33x=3−80Divide the numbers x=3−80Use b−a=−ba=−ba to rewrite the fraction x=−380 x=0x=−380Solution x1=−380,x2=0Alternative Form x1=−26.6˙,x2=0 Show Solution