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mote1985 [20]
3 years ago
13

From the sum of 4x² - 2x +6 and 2x² + 4x-1, subtract 5x2 + 2x -4.

Mathematics
2 answers:
stealth61 [152]3 years ago
4 0

Answer:  \large \boldsymbol {\sf x^2+9 }

Step-by-step explanation:

1)  \\\\ \large \boldsymbol {} \sf  4x^2-2x+6 \\ + \\  \underline{2x^2+4x-1}  \\\\6x^2+2x+5          2)  \\\\ \large \boldsymbol {} \sf  6x^2+2x+5 \\-\\ \underline{5x^2+2x-4} \\\\x^2+9

ikadub [295]3 years ago
3 0

Answer:

  • x² + 9

Step-by-step explanation:

<u>Add:</u>

  • 4x² - 2x + 6 + 2x² + 4x - 1 = 6x² + 2x + 5

<u>Subtract:</u>

  • 6x² + 2x + 5 - 5x² - 2x + 4 = x² + 9
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Answer:

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Step-by-step explanation:

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The other addend is 15\cdot a^{2}\cdot b^{2}-20\cdot a^{2}\cdot b + 6\cdot a \cdot b^{2}-4\cdot a \cdot b +7.

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Step-by-step explanation:

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