Question Simplify the expression −2x−4 Evaluate x−3x−4Solution More Steps Evaluate x−3xCollect like terms by calculating the sum or difference of their coefficients (1−3)xSubtract the numbers −2x −2x−4 Show Solution Factor the expression −2(x+2) Evaluate x−3x−4Subtract the terms More Steps Evaluate x−3xCollect like terms by calculating the sum or difference of their coefficients (1−3)xSubtract the numbers −2x −2x−4Solution −2(x+2) Show Solution Find the roots x=−2 Evaluate x−3x−4To find the roots of the expression,set the expression equal to 0 x−3x−4=0Subtract the terms More Steps Simplify x−3xCollect like terms by calculating the sum or difference of their coefficients (1−3)xSubtract the numbers −2x −2x−4=0Move the constant to the right-hand side and change its sign −2x=0+4Removing 0 doesn't change the value,so remove it from the expression −2x=4Change the signs on both sides of the equation 2x=−4Divide both sides 22x=2−4Divide the numbers x=2−4Solution More Steps Evaluate 2−4Reduce the numbers 1−2Calculate −2 x=−2 Show Solution