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If 8N=32 then N=8And to get that divide 8 from both sides so 8 divided by 8 cancels out so that would be like 8N= 32( * this sign i will use for division) *8 *8 Then you have N = 8
8n-2+4n = 66-5n 8n+4n+5n = 66+2 17n = 68 n = 4
Well, honey, it ain't rocket science. To multiply 4n by 2n, you simply multiply the coefficients (4 and 2) to get 8, and then multiply the variables (n and n) to get n^2. Put 'em together and you've got 8n^2. Easy peasy lemon squeezy!
3n2-8n+4 = (3n-2)(n-2) when factored
We're going to use 'n' to represent the number. 8n = 48 (same thing as 8 x n = 48) 8n/8 = 48/8 (divide both sides by 8) n = 6 (times 8 and divided by 8 cancel each other 8, leaving n) 8 x 6 = 48