Question

Math homework geometry please help

Answer 1

A

Explanation:

The theorem we use for this is

`a(a + b) = c(c + d)`

Solve for d.

`a(a + b) = c { }^(2) + cd`

`a(a + b) - {c}^(2)`

`\frac{a(a + b) - {c}^(2) }{c}`

A is the answer