Question Simplify the expression −498−4k Evaluate 2−500−4kSolution −498−4k Show Solution Factor the expression −2(249+2k) Evaluate 2−500−4kSubtract the numbers −498−4kSolution −2(249+2k) Show Solution Find the roots k=−2249Alternative Form k=−124.5 Evaluate 2−500−4kTo find the roots of the expression,set the expression equal to 0 2−500−4k=0Subtract the numbers −498−4k=0Move the constant to the right-hand side and change its sign −4k=0+498Removing 0 doesn't change the value,so remove it from the expression −4k=498Change the signs on both sides of the equation 4k=−498Divide both sides 44k=4−498Divide the numbers k=4−498Solution More Steps Evaluate 4−498Cancel out the common factor 2 2−249Use b−a=−ba=−ba to rewrite the fraction −2249 k=−2249Alternative Form k=−124.5 Show Solution