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Alla [95]
3 years ago
12

Expand and simplify (× + 1)(×^2 + 2× +3)

Mathematics
1 answer:
Harman [31]3 years ago
7 0
(x + 1)(x^2 + 2x + 3)
Expand:
x(x^2 + 2x + 3) + 1(x^2 + 2x +3)
Multiply out the brackets:
x^3 + 3x + 3x + x^2 + 2x + 3
Simplify:
x^3 + x^2 + 8x + 3
Hope this helped :)
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