Answer:
q.7-first d no.ans
q.8- d option
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Answer:
Please see attachment
Step-by-step explanation:
Please see attachment
If x=3 and y=5 then you just substitute.
6(5)/3
30/3
=10
10 is your answer.
X^4 - x^2 + 9 - (x^3 + 3x^2 + 12) =
x^4 - x^3 - 4x^2 - 3