Question

已知,2的X+3次方乘以3的X+3次方=36的X—2次方,求X的值

Answer 1

下面以 2^(x + 3) 表示 2的X+3次方,依此类推

2^(x + 3) ·3^(x + 3) = 36^(x - 2)

6^(x + 3) = 6^(2x - 4)

x + 3 = 2x - 4

x = 7