Question Simplify the expression −1950−4u Evaluate 91−4u−2041Solution −1950−4u Show Solution Factor the expression −2(975+2u) Evaluate 91−4u−2041Subtract the numbers −1950−4uSolution −2(975+2u) Show Solution Find the roots u=−2975Alternative Form u=−487.5 Evaluate 91−4u−2041To find the roots of the expression,set the expression equal to 0 91−4u−2041=0Subtract the numbers −1950−4u=0Move the constant to the right-hand side and change its sign −4u=0+1950Removing 0 doesn't change the value,so remove it from the expression −4u=1950Change the signs on both sides of the equation 4u=−1950Divide both sides 44u=4−1950Divide the numbers u=4−1950Solution More Steps Evaluate 4−1950Cancel out the common factor 2 2−975Use b−a=−ba=−ba to rewrite the fraction −2975 u=−2975Alternative Form u=−487.5 Show Solution