Factor, c? - 49 ' -49= : (Factor completely.) ID: 6.3.7 Factor. 81r - 64 81> 64 = :l (Factor completely.) ID: 5.3.9 Factor the polynomial. 7(p+5)+m(p+5) Select the correct choice below and, if necessary, fill in the answer box to complete your choice, QA 7(p+5)+m(p+5)=| (Type your answer in factored form, Simplify your answer.) () B. The polynomial is prime. ID:5.4.13 Factor the polynomial. 7x = 63x +49x Select the correct choice below and, if necessary, fill in the answer box to complete your choice, O A 7,7 _63x +a0x = (Type your answer in factored form. Simplify your answer.) () B. The polynomial is prime. ID: 5.4.33 Solve the equation. 2}!2 84y=y2 -2y The solution set is : (Type an integer or a simplified fraction. Use a comma to separate answers as needed.)