Answer:
y^2 + x^2 + 193
Step-by-step explanation:
Simplify the following:
x^2 + 42 + 39 + 92 + 20 + y^2
Grouping like terms, x^2 + 42 + 39 + 92 + 20 + y^2 = y^2 + x^2 + (42 + 39 + 92 + 20):
y^2 + x^2 + (42 + 39 + 92 + 20)
42 + 39 + 92 + 20 = 193:
Answer: y^2 + x^2 + 193
