Write down Liha's and Makulata's tile pieces as expressions.
Liha 3x2 + 2x + 8
Makulata 5x2 + 2
Now add the two together.
3x2 + 2x + 8 + 5x2 + 2 = 8x2 + 2x + 10
Add like terms and then simplify.
Write the two terms down as an expression.
Convert both fractions to a common denominator before combining like terms.