is it x squared? if yes,
substitute the given value of x
x^2 - 1
(-4)^2 - 1
16 - 1
15
Answer:
Step-by-step explanation:
16-1=15
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is it x squared? if yes,
substitute the given value of x
x^2 - 1
(-4)^2 - 1
16 - 1
15
Answer:
15
Step-by-step explanation:
16-1=15