Question

2) 20₁ + 2b + a² + ab=

Answer 1

20+2b+a²+ab = (20+2b)+(a²+ab) = 2(10+b)+a(a+b)

Answer 2

The expression you provided, 20₁ + 2b + a² + ab, seems to be a mathematical equation involving variables. However, it is missing an equal sign or an expression it should be equal to. Could you please provide more information or clarify what you would like to do with this equation?