Question

Multiply (x + 1)3
(x + 1)3 = (x + 1)(x + 1)2
= (x + 1)(x2 + 2x + 1)
= x3 + _____ x2 + ____x + ___

Answer 1

Answer:

x3 + 3x2 + 3x +1

Step-by-step explanation:

simplify x3 + 3x2 . 1 + 3x . 12 + 13: x3 + 3x2 + 3x + 1

Answer 2

Using binomial expansion, $(x+1)^{3} = x^{3}+3x^{2} +3x+1$

What is binomial expansion?

Binomial expansion is to expand and write the terms which are equal to the natural number exponent of the sum or difference of two terms.

$(a+b)^{n}= \sum {n}_C_{r} a^{n-r} b^{r}$

$(x+1)^{3} = x^{3}+3x^{2} +3x+1$

Learn more about binomial expansion here

https://brainly.com/question/12249986

#SPJ3