You can't.
The best I can do is:
6y - 2x - 20 = 2 • (3y - x - 10)
Answer:
y=(10)/(3 ) + (x)/(3)
Step-by-step explanation:
2x² + x - 5
(f + g)(x) = f(x) + g(x), thus
f(x) + g(x)
= - 2 + 2x² + x - 3 ← collect like terms
= 2x² + x - 5
6+3i
4+2=6
-3i+6i=3i