Question Simplify the expression 2x2−90x Evaluate 2x2−9x×10Solution 2x2−90x Show Solution Factor the expression 2x(x−45) Evaluate 2x2−9x×10Multiply the terms 2x2−90xRewrite the expression 2x×x−2x×45Solution 2x(x−45) Show Solution Find the roots x1=0,x2=45 Evaluate 2x2−9x×10To find the roots of the expression,set the expression equal to 0 2x2−9x×10=0Multiply the terms 2x2−90x=0Factor the expression More Steps Evaluate 2x2−90xRewrite the expression 2x×x−2x×45Factor out 2x from the expression 2x(x−45) 2x(x−45)=0When the product of factors equals 0,at least one factor is 0 2x=0x−45=0Solve the equation for x x=0x−45=0Solve the equation for x More Steps Evaluate x−45=0Move the constant to the right-hand side and change its sign x=0+45Removing 0 doesn't change the value,so remove it from the expression x=45 x=0x=45Solution x1=0,x2=45 Show Solution