Question Simplify the expression −3x2−140x Evaluate −3x2−20x×7Solution −3x2−140x Show Solution Factor the expression −x(3x+140) Evaluate −3x2−20x×7Multiply the terms −3x2−140xRewrite the expression −x×3x−x×140Solution −x(3x+140) Show Solution Find the roots x1=−3140,x2=0Alternative Form x1=−46.6˙,x2=0 Evaluate −3x2−20x×7To find the roots of the expression,set the expression equal to 0 −3x2−20x×7=0Multiply the terms −3x2−140x=0Factor the expression More Steps Evaluate −3x2−140xRewrite the expression −x×3x−x×140Factor out −x from the expression −x(3x+140) −x(3x+140)=0When the product of factors equals 0,at least one factor is 0 −x=03x+140=0Solve the equation for x x=03x+140=0Solve the equation for x More Steps Evaluate 3x+140=0Move the constant to the right-hand side and change its sign 3x=0−140Removing 0 doesn't change the value,so remove it from the expression 3x=−140Divide both sides 33x=3−140Divide the numbers x=3−140Use b−a=−ba=−ba to rewrite the fraction x=−3140 x=0x=−3140Solution x1=−3140,x2=0Alternative Form x1=−46.6˙,x2=0 Show Solution