Question

simplify with rules for ex-a^n.a^m​

Answer 1

Answer:

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Answer 2

SOLLUTION

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${2}^{x + 3} = {4}^{x - 1} \\ = > {2}^{x + 3} = {2}^{2(x - 1)} \\ = > {2 }^{x + 3} = {2}^{2x - 2} \\ \\ since \: \: bases \: are \: same \: their \: power \\ \: must \: be \: equal \\ \\ x + 3 = 2x - 2 \\ or \: \: 3 + 2 = 2x - x \\ or \: 5 = x$

hence, the value of x is 5.

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