Question

11raise to the power 4 x into 11 is the power minus 3 equals to 11 into 121 raise to the power 4 find x

Answer 1

Answer:

${11}^{4x} \ \times {11}^{ - 3} = 11 \times {121}^{4 } \\ {11}^{4x - 3} = 11 \times { ({11}^{2} })^{4} \\ {11}^{4x - 3} = {11}^{1} \times {11}^{8} \\ {11 }^{4x - 3} = {11}^{9} \\ 4x - 3 = 9 \\ 4x = \ 9 + 3\\ 4x = 12 \\ x = \frac{12}{4} \\ x = 3 \\ = = = = = = = = = = = = = =$