Is x ³ +13x² +32x +20 is a polynomial ? Justify.
Answers
Answered by
4
Step-by-step explanation:
The value of x
3
+13x
2
+32x+20 is
x
3
+x
2
+12x
2
+12x+20x+20
=x
2
(x+1)+12x(x+1)+20(x+1)
=(x−1)(x
2
+12x+20)
=(x−1)(x
2
+10x+2x+20)
=(x+1)[x(x+10)+2(x+10)]
=(x+1)(x+2)(x+10)
Answered by
1
Answer:
Yes x^3+13x^2+32x+20 is a polynomial and it is in proper order.
Hope it's helpful to you.
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