Question

can someone help me asap ill give a medal

Answer 1

13. (6s4+7s2+7) + (8s4-11s2+9s) =
23. 3b4 – 9b2+6b=
41. A rectangle has dimensions 3x+5 and x+7. Write an expression for the area of the rectangle as a product and as a product and as a polynomial in standard form.
71. Find an expression for the length of a side of a square with an area of 9n2+54n+81.
77.45z3+20z2+9z+4=

Answer 2

13. 14s4-4s2+9s+7
Do you need this factored as well?

Answer 3

23. 3b(b3-3b+2)

Answer 4

41.(3x+5)(x+7) and 3x2+26x+35

Answer 5

71. 3(n+3)

Answer 6

77. (5z2+1)(9z+4)