What number should be added to the expression x²+14x to change it into a perfect square trinomial? 7 14 28 49

Combine like terms7y^2 + 7(6y^2 − 8)

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

Use the expression below.–4b + 8c + 12 – 8b – 2c + 6part asimplify the expression. enter your answers in the boxes. b + c + part bfactor the simplified expression using the gcf. a. 2(–2b + c + 3) b. 3(–2b + c + 3) c. 4(–2b + c + 3) d. 6(–2b + c + 3)part cwhat is the value of the expression when b = 2 and c = –3? enter your answer in the box.