Question

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

Answer 1

Answer:

answer x=3

Step-by-step explanation:

(-7)x+7=(-7)10

x+7=10

x=10-7

x=3

Answer 2

Answer:

-7^x+2+5 = -7^10( use the law of index to solve this equation)

x+7 =10

x= 10-7

∴x= 3