Which of the following is the correct expansion of (x + 4)(x2 + 2x + 7)?
x3 + 6x2 + 8x +...
Mathematics, 01.03.2020 13:01 oliviahopebigel
Which of the following is the correct expansion of (x + 4)(x2 + 2x + 7)?
x3 + 6x2 + 8x + 7
x3 + 6x2 + 15x + 28
x3 + 15x2 + 15x + 28
x3 + 12x2 + 8x + 7
Answers: 3
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