What is the standard form of y=(x+3)^{3}?

Annalise Rogers

Annalise Rogers

Answered question

2022-02-02

What is the standard form of y=(x+3)3?

Answer & Explanation

deliria1t4

deliria1t4

Beginner2022-02-03Added 13 answers

Explanation:
Given (x+a)(x+b)(x+c) the expansion is
=x3+(a+b+c)x2+(ab+bc+ac)x+abc
now (x+3)3=(x+3)(x+3)(x+3)
with a=b=c=3
(x+3)3
=x3+(3+3+3)x2+(9+9+9)x+(3×3×3×3)
=x3+9x2+27x+27

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