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mathgirl501

I need help figuring out how to work this problem... simplify the expression 0.4x^3+0.3x^3-0.2x^3...I just need to know how to slove it... I thin I do but I'm not sure

  • one year ago
  • one year ago

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  1. frx
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    Just add the constants before x^3 together so it's (0.4+0.3-0.2)x^3 which is 0.5x^3

    • one year ago
  2. frx
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    It's just the same as if you would have had 2a+3a = 5a

    • one year ago
  3. mathgirl501
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    I thought that was how you worked it but I wasnt sure if I should still have the x^3

    • one year ago
  4. mathgirl501
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    thanks

    • one year ago
  5. frx
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    np

    • one year ago
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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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