angieleeh
angieleeh
16-03-2016
Mathematics
contestada
expand and simplify (×+1)(×^2+3)
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olemakpadu
olemakpadu
16-03-2016
(x + 1)(x² + 3)
x(x² + 3) + 1(x² + 3)
x*x² + 3*x + 1*x² + 1*3
x³ + 3x + x² + 3
x³ + x² + 3x + 3
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