Show that x+1 is a factor of 2x³+5x² -3
Answers
Answered by
1
Answer:
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Step-by-step explanation:
p(-1)=2x-1+5x1-3
=-2+5-3
= 5+-5=0.
Hence (x+1) is a factor of 2x3+5x-3
Answered by
1
Answer:
=x+1=0
=x=-1
=2x³+5x²-3
=2(-1)³+5(-1)²-3
=-2+5-3
=3-3
=0
Step-by-step explanation:
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