What is the question ?
"4 and 230" is just a list of two numbers.
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It is 4x + 4y.
4 x 18 = (4 x 10) + (4 x 8)
19*14 = 19*(10 + 4) = 19*10 + 19*4 = 190 + 76 = 266 (You could use the distributive property again to split 19 into 10 + 9 but that is multiplying by 19 is simple enough and using the distributive property for that is just laziness.
The distributive property of multiplication over addition allows you to partition a multiplication problem into simpler chunks: For example: 4*57 = 4*(50+7) = 4*50 + 4*7 that last step used the distributive property = 200 + 28 = 228
(50+4)x67