Question

- 343 X (-7)^x = 49​

Answer 1

Step-by-step explanation:

-343×(-7)^x=49

=>(-7)³×(-7)^x=(-7)²

bases are equal so, powers should be added

(-7)^3+x=(-7)². [a^m.aⁿ=a^m+n]

bases are equal . So, we should equal the powers

3+x=2

x=2-3

x= -1

Answer 2

Answer:

x = -1

Step-by-step explanation:

-343 * (-7)^x = 49

=> (-7)^3 * (-7)^x = (-7)^2

=> (-7)^3+x = (-7)^2

=> 3+x = 2

=> x = 2-3

=> x = -1