Question Simplify the expression 3x2−270x Evaluate 3x2−15x×18Solution 3x2−270x Show Solution Factor the expression 3x(x−90) Evaluate 3x2−15x×18Multiply the terms 3x2−270xRewrite the expression 3x×x−3x×90Solution 3x(x−90) Show Solution Find the roots x1=0,x2=90 Evaluate 3x2−15x×18To find the roots of the expression,set the expression equal to 0 3x2−15x×18=0Multiply the terms 3x2−270x=0Factor the expression More Steps Evaluate 3x2−270xRewrite the expression 3x×x−3x×90Factor out 3x from the expression 3x(x−90) 3x(x−90)=0When the product of factors equals 0,at least one factor is 0 3x=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