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stepladder [879]
3 years ago
11

Expand the expression (x-5)^3

Mathematics
2 answers:
matrenka [14]3 years ago
5 0
X^3 - 15x^2 + 75x - 125
lbvjy [14]3 years ago
4 0

Answer:

x^3-15x^{2}+25x-125

Step-by-step explanation:

This is a quadratic equation, so we need to open the equation first. There are three (x-5), and then we multiply them together, and then combine like terms to get the answer.

(x-5)(x-5)(x-5)=

[x(x-5)-5(x-5)](x-5)=

(x^{2}-5x-5x+25)(x-5)=

(x^{2}-10x+25)(x-5)=

x(x^{2}-10x+25)-5(x^{2}-10x+25)

x^3-10x^2+25x-5x^2-125=

x^3-15x^{2}+25x-125

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Step-by-step explanation:

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