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anonymous

  • 4 years ago

How to simplify this expression:

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  1. anonymous
    • 4 years ago
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    |dw:1327187061544:dw|

  2. jhonyy9
    • 4 years ago
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    16b12 +24b12=40b12

  3. jhonyy9
    • 4 years ago
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    where 12 is exponent

  4. anonymous
    • 4 years ago
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    If you could include steps, I would understand it more :/ Sorry.

  5. anonymous
    • 4 years ago
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    \[(-2)^{4}b^{3*4}-3(-2)^{4}b^{4+3}\] = 16b^{12} - 3*16b^{12}

  6. anonymous
    • 4 years ago
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    = -2*16b^{12} = -32b^{12}

  7. jhonyy9
    • 4 years ago
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    so i think you dont know the property of terms with exponents

  8. anonymous
    • 4 years ago
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    oops sorry ignore my previous posts I made a mistake

  9. jhonyy9
    • 4 years ago
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    when there is a on exponent b and thie all on exponent c so this will be equal a on exponent b*c

  10. jhonyy9
    • 4 years ago
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    ok ?

  11. anonymous
    • 4 years ago
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    \[(-2)^{4}b^{3+4}-3(-2)^{3}b^{4+3}\] = \[16b^7 - 3*(-8)b^{7}\] =\[16b^{7}+24b^{7}\] = \[40b^{7}\]

  12. anonymous
    • 4 years ago
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    argh i did it wrong again. the exponent is 12 sorry

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