Question

What is the product of these polynomials?



(
6
x
2
−
1
)
(
x
2
+
3
)


6
x
4
−
3


6
x
4
+
17
x
2
−
3


6
x
4
+
19
x
2
+
3


6
x
4
+
18
x
3
−
x
2
−
3

Answer 1

(6x^2 − 1)(x^2 + 3) = 6x^4 + 18x^2 − x^2 − 3 = 6x^4 + 17x^2 − 3.