Answer:
See answers below
Step-by-step explanation:
6) 4ab + 13bc (As it is)
7) -6a²b²
8) -3x²
9) 11x²y + 6xy²
10) 8x - (-2x) = 10x
Hope this helps :)
Answer:
not sure if this is what youre looking for but here
y=-3/2x+9
Step-by-step explanation:
Cos^4(x) =
(cos²x)² =
(1-sen²x)² =
1² - 2*1*sen²x + sen^4x =
1 - 2sen²x + sen^4x