Add (a2 +2ab -3b2
) to the product of (3a-b) and (a+b).
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Answer:
product of (3a-b) * ( a+b)
= 3a * (a + b) - b * (a + b)
= 3a^2+ 3ab - ab - b^2
add a^2 + 2ab- 3b^2 to 3a^2 + 3ab -ab -b^2
⇒ a2 +2ab-3b2+3a2+3ab-ab-b2
= 4a2+4ab-4b2
Step-by-step explanation:
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