What is the coefficient of 4(x + 1)+3x + 7

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Which expression shows the sum of the polynomials with like terms grouped together