Please expand and simplify[(x+1)+(x-1)][(x+1)-(x-1)]
Answers
Answered by
0
Answer:
[x+1+x-1] [x+1-x+1]
=[x+x+1-1] [x-x+1+1]
=2x(2)
=4x
Answered by
0
Answer:
4x
Step-by-step explanation:
LHS becomes
(x + 1)² - (x - 1)²
(x² + 2x + 1) - ( x² - 2x + 1)
x² + 2x + 1 - x² + 2x - 1
4x
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