Solve when a= -4. Please fast. I have spent my 98 points on it
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a³ + 2a² - a + 5
= ( -4 )³ + 2 × ( -4 )² - ( -4 ) + 5 [ • a = -4 ]
= -64 + 2 × 16 + 4 + 5
= -64 + 32 + 9
= -32 + 9
= - 23
•°• The required answer is -23
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i hope this answer help you....
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