(a + b)2 – (a - b)2? factoise
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Answered by
1
Answer:
(a + b)2 – (a - b)2
=a²+2ab+b²-(a²-2ab+b²)
=a²+2ab+b²-a²+2ab-b²
=4ab
Answered by
1
Answer:
answer remain 4ab
Step-by-step explanation:
a^2 + b^2 + 2ab -( a^2 + b^2 -2ab )
a^2 + b^2 + 2ab - a^2 - b^2 + 2ab
= 2ab + 2ab
= 4ab
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