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snow_tiger [21]
3 years ago
8

Given f(x)=x^3+5x+k, and x+2 is a factor of f(x), then what is the value of k?

Mathematics
2 answers:
8_murik_8 [283]3 years ago
7 0

Answer: Hopes this helps

Step-by-step explanation:

Marat540 [252]3 years ago
6 0
3x^3+0x^2-2x+k:x-2=3x^2+6x+10
3x^2-6x^2
6x^2-2x
6x^2-12x
10x+k
10x-20
k+20
Thus k=-20
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