Check using division, if:
at x + 3 is a factor of
{x}^{2}x2
+ 8x + 21
Answers
Answered by
1
Answer:
x+3 is not a factor of 2x^2+8x+21
Hope this will help you
Thanks
Answered by
1
Answer:
No
Note:
★ Factor theorem : If the remainder obtained on dividing the polynomial p(x) by another polynomial g(x) is zero , then g(x) is a factor of p(x) .
★ If g(x) is a factor of the polynomial p(x) , then the remainder obtained on dividing the polynomial p(x) by g(x) is zero .
Explaination:
• For division of x² + 8x + 21 by x + 3 , please refer to the attachment .
• Here, the remainder obtained on dividing the polynomial x² + 8x + 21 by
x + 3 is not zero , thus x + 3 is not a factor of the polynomial x² + 8x + 21 .
Attachments:
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