garciamadison5
garciamadison5
01-05-2018
Mathematics
contestada
Simplify (x − 4)(x2 − 2x − 3).
Respuesta :
geerky42
geerky42
01-05-2018
So you can distribute x and then -4.
Start with x, that would be
x²·x - 2x·x - 3x
x³ - 2x² - 3x
Now distribute -4.
-4x² + 8x + 12
Now put them together:
x³ - 2x² - 3x + (-4x² + 8x + 12)
Combine like terms:
x³ - 6x² + 5x + 12
Final answer:
x³ - 6x² + 5x + 12
Hope this helps.
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