Question Simplify the expression −160−20a Evaluate 15−20a−5×35Multiply the numbers 15−20a−175Solution −160−20a Show Solution Factor the expression −20(8+a) Evaluate 15−20a−5×35Multiply the numbers 15−20a−175Subtract the numbers −160−20aSolution −20(8+a) Show Solution Find the roots a=−8 Evaluate 15−20a−5×35To find the roots of the expression,set the expression equal to 0 15−20a−5×35=0Multiply the numbers 15−20a−175=0Subtract the numbers −160−20a=0Move the constant to the right-hand side and change its sign −20a=0+160Removing 0 doesn't change the value,so remove it from the expression −20a=160Change the signs on both sides of the equation 20a=−160Divide both sides 2020a=20−160Divide the numbers a=20−160Solution More Steps Evaluate 20−160Reduce the numbers 1−8Calculate −8 a=−8 Show Solution