maripaz1202cr maripaz1202cr
  • 24-07-2019
  • Mathematics
contestada

Simplify (x - 3)(x^2+ 7x - 8). (1 point)

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TClifen
TClifen TClifen
  • 24-07-2019

x^3 + 7x^2 -8x -3x^2 -21x +24

x^3 + 4x^2 -29x +24

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carlosego
carlosego carlosego
  • 25-07-2019

For this case we must simplify the following expression:

[tex](x-3) (x ^ 2 + 7x-8)[/tex]

We must apply distributive property:

[tex]x * x ^ 2 + x * 7x-8 * x-3 * x ^ 2-3 * 7x + 3 * 8 =\\x ^ 3 + 7x ^ 2-8x-3x ^ 2-21x + 24 =[/tex]

Adding similar terms we have:

[tex]x ^ 3 + 4x ^ 2-29x + 24[/tex]

Answer:

The simplified expression is:

[tex]x ^ 3 + 4x ^ 2-29x + 24[/tex]

Answer Link

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