) Using factor Therom text whethex-3is a factor of x3+x²-17x+15
Answers
Answered by
8
Answer:
x
3
+x
2
−17x+15
⇒x
3
−x
2
+2x
2
−2x−15x+15
⇒x
2
(x−1)+2x(x−1)−15(x−1)
Take common out the tern (x-1)
⇒(x−1)(x
2
+2x−15)
⇒(x−1)(x
2
−3x+5x−15)
⇒(x−1)x(x−3)+5(x−3)
⇒(x−1)(x−3)(x+5)
Answered by
3
Answer:
sorry I don't know
Step-by-step explanation:
don't report
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