By division method and remainder theorem
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Answer:
- 39
Step-by-step explanation:
x3 + 3x2 - x - 3 by (x + 3)
x + 3 = 0
x = -3
f(x) = x3 + 3x2 - 1x - 3
f(x) = x3 + 3x - 3
= (-3)3 + 3(-3) - 3
= -27 + (-9) - 3
= -27 - 9 - 3
= - 36 - 3
f(x) = - 39
therefore the reminder of
(x3 + 3x2 - x - 3) by (x + 3)= -39
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hope it helps!
#sumedhian ❤❤
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