Use direct method to evaluate (2+a)(2-a)
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Answered by
1
Answer:
(2+a)(2-a)
Step-by-step explanation:
(2+a)(2-a) = 4-2a+2a-a²
= 4-a²
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Answered by
1
Step-by-step explanation:
(2+a)(2-a)
=2(2-a)+a(2-a)
=4-2a + 2a -a^2
=4-a^2
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