Question

?
What is the coefficient of x' in the expanded form of (8x + 12x2 + 6x +1
6x +1)
​

Answer 1

Answer:

8x+12×2+6x+1+6x+1

=20x+26

So,the coefficient of x is 20

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Answer 2

Answer:

By Rational Root Theorem, all rational roots of a polynomial are in the form

q

p

, where p divides the constant term −63 and q divides the leading coefficient 8. One such root is

2

3

. Factor the polynomial by dividing it by 2x−3. Polynomial 4x

2

+12x+21 is not factored since it does not have any rational roots.