(3x³ – 8x + 5) by (x-1) long division method
Answers
Answered by
1
Answer:
3x4 + 8x² + 5x - 3x³ - 8x + 5
Step-by-step explanation:
x - 1 will be multiplied 3x³ - 8x + 5
Answered by
0
Step-by-step explanation:
3x
2
+3x−5
Step-by-step explanation:
\begin{gathered}3x^{2} + 3x - 5\\= \frac{3x {}^{3} - 3x^{2} + 3x^{2} - 3x - 5x + 5}{x - 1}\\ = \frac{3x {}^{2} \times(x - 1) + 3x \times(x - 1) - 5(x - 1) }{x - 1}\\ = \frac{(x - 1) \times(3x^{2} + 3x - 5) }{(x - 1)}\\=3x^{2} + 3x - 5\end{gathered}
3x
2
+3x−5
=
x−1
3x
3
−3x
2
+3x
2
−3x−5x+5
=
x−1
3x
2
×(x−1)+3x×(x−1)−5(x−1)
=
(x−1)
(x−1)×(3x
2
+3x−5)
=3x
2
+3x−5
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