Answer:
4x
Step-by-step explanation:
You multiply the two numbers together:
Top left, purple tile: 3x(x) = 3x^2
Top right, pink tile: 4(x) = 4x
Bottom left, yellow tile: 3x(2) = 6x
Bottom right, blue tile: 4(2) = 8
Basically u multiply the variable above it and the variable at its left
