Math, asked by saipraneeth044, 3 months ago

find the value. of n (-2)^x+2×(-2)^7=(-2)^12​

Answers

Answered by krrew
1

Answer:

(2)^{9+x}

Step-by-step explanation:

n × (-2)^{x+2+7+12} = (-2)^{12}}

⇒n × (-2)^{x+21}=  (-2)^{12}}

⇒n = \frac{(-2)^{12}}{(-2)^{x+21}}

⇒n = (-2)^{12-21-x}}

⇒n = (2)^{9+x}

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