Question

(-7)ˣ⁺² x (- 7)⁵ = (-7)¹⁰ then the value of x is​

Answer 1

Answer:

$(-7)ˣ⁺² \times (- 7)⁵ = (-7)¹⁰ \\ ( {x}^{y} + {x}^{z} = {x}^{y + z} ) \\ {( - 7)}^{x + 2 + 5} = {( - 7)}^{10} \\ x + 2 + 5 = 10 \\ x + 7 = 10 \\ x = 10 - 7 \\ x = 3$

3 is the value of x.