katrinlelyushk
katrinlelyushk katrinlelyushk
  • 28-12-2018
  • Mathematics
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5x^6–3x^2+7–2x^6–3x^6+4x^2 for x=−10

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sqdancefan
sqdancefan sqdancefan
  • 28-12-2018

Answer:

107

Step-by-step explanation:

These are easier to do if you simplify them first.

... = x^6(5 -2 -3) +x^2(-3 +4) +7

... = x^2 +7

For x = -10, this is

... (-10)^2 +7 = 100 +7 = 107

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