find the value of x^2-9 if x= -4
Answers
Answered by
1
Answer:
7
Step-by-step explanation:
Given,
x²=-4
Therefore,
x²-9
=(-4)²-9
=16-9
=7
Answered by
1
Given that x = -4
So…
(-4)^2 - 9
16 - 9
=7
So…
(-4)^2 - 9
16 - 9
=7
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