Question

[12x(-7)]x5=??x[(-7)x????]

Answer 1

Answer:

(-84 ) × 5 =7x

7x=-79

x=-79

7

Answer 2

Answer:

x= ±√25/-7

Step-by-step explanation:

12 times -7 =-84

-84 times 5 = -420

Equation becomes:

-420= x times -7x

-420 = -7x squared

x squared = -420/-7

x= ±√60