Question

If (-2)ˣ⁺¹ x (-2)⁷ = (-2)¹² then x = _____

Answer 1

Answer:

answer is 4

refer to attachment

Answer 2

Step-by-step explanation:

when the base same in multiply we add the power

so x+1+7=12

x+8=12

x=12-8

x=4 ans.