Math, asked by tejashrana105, 5 months ago

4. Expand:
(a + 2) (a - 2)

Answers

Answered by anjalilad1917

2

Answer:

a² - 4

Step-by-step explanation:

(a + 2 ) ( a - 2 )

a × ( a - 2 ) + 2 × ( a - 2 )

a² - 2a + 2a - 4

a² - 4

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