Question Simplify the expression −39x−1 Evaluate 3x−42x−1Solution More Steps Evaluate 3x−42xCollect like terms by calculating the sum or difference of their coefficients (3−42)xSubtract the numbers −39x −39x−1 Show Solution Find the roots x=−391Alternative Form x=−0.0˙25641˙ Evaluate 3x−42x−1To find the roots of the expression,set the expression equal to 0 3x−42x−1=0Subtract the terms More Steps Simplify 3x−42xCollect like terms by calculating the sum or difference of their coefficients (3−42)xSubtract the numbers −39x −39x−1=0Move the constant to the right-hand side and change its sign −39x=0+1Removing 0 doesn't change the value,so remove it from the expression −39x=1Change the signs on both sides of the equation 39x=−1Divide both sides 3939x=39−1Divide the numbers x=39−1Solution x=−391Alternative Form x=−0.0˙25641˙ Show Solution