shettylakshya9 shettylakshya9
  • 23-09-2021
  • Mathematics
contestada

(-2)^p+7 * (-2)^p+8 = (-2)^9

please explain properly

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Аноним Аноним
  • 23-09-2021

[tex] {( - 2)}^{p + 7} \times {( - 2)}^{p + 8} = {( - 2)}^{9} \\ = > {( - 2)}^{p + 7 + p + 8} = {( - 2)}^{9} \\ = > {( - 2)}^{2p + 15} = {( - 2)}^{9} \\ = > 2p + 15 = 9 \\ = > 2p = 9 - 15 \\ = > 2p = - 6 \\ = > p = \frac{ - 6}{2} \\ = > p = - 3[/tex]

The answer is -3.

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