Question Simplify the expression −124−4y Evaluate 100−4y−215−9Solution −124−4y Show Solution Factor the expression −4(31+y) Evaluate 100−4y−215−9Subtract the numbers −115−4y−9Subtract the numbers −124−4ySolution −4(31+y) Show Solution Find the roots y=−31 Evaluate 100−4y−215−9To find the roots of the expression,set the expression equal to 0 100−4y−215−9=0Subtract the numbers −115−4y−9=0Subtract the numbers −124−4y=0Move the constant to the right-hand side and change its sign −4y=0+124Removing 0 doesn't change the value,so remove it from the expression −4y=124Change the signs on both sides of the equation 4y=−124Divide both sides 44y=4−124Divide the numbers y=4−124Solution More Steps Evaluate 4−124Reduce the numbers 1−31Calculate −31 y=−31 Show Solution