Question Simplify the expression −805−10a Evaluate 16−10a−821Solution −805−10a Show Solution Factor the expression −5(161+2a) Evaluate 16−10a−821Subtract the numbers −805−10aSolution −5(161+2a) Show Solution Find the roots a=−2161Alternative Form a=−80.5 Evaluate 16−10a−821To find the roots of the expression,set the expression equal to 0 16−10a−821=0Subtract the numbers −805−10a=0Move the constant to the right-hand side and change its sign −10a=0+805Removing 0 doesn't change the value,so remove it from the expression −10a=805Change the signs on both sides of the equation 10a=−805Divide both sides 1010a=10−805Divide the numbers a=10−805Solution More Steps Evaluate 10−805Cancel out the common factor 5 2−161Use b−a=−ba=−ba to rewrite the fraction −2161 a=−2161Alternative Form a=−80.5 Show Solution