Answer:
The answer for the problem would be -12
Step-by-step explanation:
(28+35) = 63
63-75= -12
Answer:
6x
Step-by-step explanation:
x²+9-__=(x-3)²
lets dissosiate this one (x-3)²
(x-3)²=(x-3)(x-3)
=x²-3x-3x+9
=x²-6x+9 so x²+9-6x
so the answer is 6x
Answer:
32
Step-by-step explanation:
This follows from the half-angle identity for cosine.