Divide 3x² + 9x +18 by x +3
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Answered by
0
Answer:
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Step-by-step explanation:
Answer
(x
4
−81)÷(x
3
+3x
2
+9x+27)
x
4
−81=(x
2
)
2
−(9)
2
=(x
2
+9)(x
2
−9)
=(x
2
+9)[(x)
2
−(3)
2
]
=(x
2
+9)(x+3)(x−3)
And,
x
3
+3x
2
+9x+27
=(x)
2
+(x+3)+9(x+3)
=(x
2
+9)(x+3)
Now,
x
3
+3x
2
+9x+27
x
4
−81
=
(x
2
+9)(x+3)
(x
2
+9)(x+3)(x−3)
=(x−3)
Answered by
1
Answer:
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