Question

Solve the proportion

Answer 1

What is the value(s) of x?

x = −2

x = −2 and x = 2

x = −1 and x = −4

x = 4

Answer 2

cross-multoply:
x^2 + 4x = 4x + 4
x^2 = 4

can you find values of x now?

Answer 3

yes

Answer 4

good