(8+7a)+4 simplify pls
Work:Multiply a and 7Multiply a and 1The a just gets copied along.7a evaluates to 7a8+7a evaluates to 8+7a8 + 4 = 12 which goes to 12+7a(8+7a)+4 evaluates to 12+7aThe final answer is 12+7a*
8+7a+47a+12 is the simplified answer.