Subject:
MathematicsAuthor:
silkyCreated:
1 year agoAnswer:
D
Step-by-step explanation:
x/(x²+3x+2) - 1/[(x+2)(x+1)]
x² + 3x + 2 = x² + 2x + x + 2
= x(x + 2) + (x + 2)
= (x + 2)(x + 1)
= x/[(x+2)(x+1)] - 1/[(x+2)(x+1)]
= (x-1)/[(x+2)(x+1)]
= (x-1)/(x²+3x+2)
Author:
schnookums0usk
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18The difference of rational polynomial function is \frac{x-1}{x^{2} +3x+2}
Given expression is,
\frac{x}{x^{2} +3x+2}-\frac{1}{(x+2)(x+1)}
(x+2)(x+1)=x^{2} +2x+x+2=x^{2} +3x+2
Given expression can be written as,
\frac{x}{x^{2} +3x+2}-\frac{1}{x^{2} +3x+2} =\frac{x-1}{x^{2} +3x+2}
Author:
melanyg0ac
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10Rate an answer:
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