(x-2) (x+2) + 3
help :(
Answers
Answered by
1
Answer:
x²-1
Step-by-step explanation:
(x-2)(x+2)+3
x(x+2)-2(x+2)+3
x²+2x-2(x+2)+3
x²+2x-2x-4+3
x²-4+3
x²-1.
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