(4a² - 5a + 6) – (3a² - 2a - 1) - (a² + a)
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Answer:
Ans) -4a+7
Step-by-step explanation:
Solution -
(4a² - 5a + 6) – (3a² - 2a - 1) - (a² + a)
=4a²-3a²-a²-5a+2a-a+6+1
=4a²-4a²-5a+a+7
=0-4a+7
=-4a+7
Answer)
-4a+7
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