Answer: (x4 + 1) • (3x2 + 9x + 2)
Step-by-step explanation: Factoring 3x2+9x+2
The first term is, 3x2 its coefficient is 3 .
The middle term is, +9x its coefficient is 9 .
The last term, "the constant", is +2
Step-1 : Multiply the coefficient of the first term by the constant 3 • 2 = 6
Step-2 : Find two factors of 6 whose sum equals the coefficient of the middle term, which is 9 .
-6 + -1 = -7
-3 + -2 = -5
-2 + -3 = -5
-1 + -6 = -7
1 + 6 = 7
2 + 3 = 5
3 + 2 = 5
6 + 1 = 7
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