factorise (a+2b)² - a²
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1
Answer:
» (a + 2b)² - a²
= (a + 2b + a) (a + 2b - a)
= (2a + 2b) (2b)
= 4 (a + b) (b)
Is the required answer.
Answered by
1
Answer:
the answer would be 4ab + 4b²
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