Question

ЛЮДИ ПОМОГИТЕ ДАЮ 5БАЛОВ {2}^{x + 3} + {2}^{x} = 36 и {9}^{x} - 7 times {3}^{x} - 18 = 0
${2}^{x + 3} + {2}^{x} = 36$
${9}^{x} - 7 times {3}^{x} - 18 = 0$
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