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andreyandreev [35.5K]
3 years ago
11

What is tje gcf of 86,129,and 215

Mathematics
2 answers:
Veseljchak [2.6K]3 years ago
3 0
The gcf of 86,129,and 215 is 43.
Komok [63]3 years ago
3 0
The answer is 43 
86-129=43
129-215=86
86-43=43
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Factor completely.x2 + 3xy - 4y2 - 5y + 5x
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Answer: We have to factor the polynomial completely, the polynomial is:

x^2+3xy-4y^2-5y+5x

The factorized answer is:

\begin{gathered} x^2+3xy-4y^2-5y+5x\rightarrow(1) \\  \\  \\ \text{ Rewriting \lparen1\rparen gives:} \\  \\  \\ x^2-xy+4yx-4y^2+5x-5y \\  \\ \text{ Factoring out the common factors gives:} \\  \\ x(x-y)+4y(x-y)+5(x-y) \\  \\ \text{ The last step is to factor out the }(x-y): \\  \\ (x-y)(x+4y+5)\Rightarrow(2) \end{gathered}

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