find the remainder when x3+4x2+x+6 is divided by x+3
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Answer:
reminder is 12
Step-by-step explanation:
p(x) = x³ + 4x² + x + 6
g(x) = x + 3
x + 3 = 0
x = -3
put x in p(x)
p(-3) = (-3)³ + 4(-3)² + (-3) + 6
= -27 + 4(9) - 3 + 6
= -27 + 36 - 3 + 6
= -30 + 42
= 12
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