Question

Expand & simplify

4
(
x
+
5
)
+
5
(
x
−
5
)

Answer 1

4(x+5) + 5(x-5)

The first step is to distribute (PEMDAS --> parenthesis)

4x + 20 + 5x - 25 Now combine like terms

9x - 5

Thus, the answer is 9x-5