0
the answer is 0
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have a good one!
Answer:
-14+63x²
Step-by-step explanation:
(sot)=s(tx)
=s(3x)
=2-(3x)²
=2-9x²
(sot)(-7)=-7(2-9x²)
=-14+63x²
I hope I helped
and of I am correct mark my answer as brainliest
x + 72 = 180
y = 72 (vertical angles)
x = 108
z = 90 - 72
z = 18