It is 2x(x-7)+3(x-7) = (2x+3)(x-7)
6 = 15w + 75w - 4
6 = 90w - 4 <em>added like terms (15w + 75w)</em>
10 = 90w <em>added 4 to both sides</em>
10/90 = w <em>divided both sides by 90</em>
1/9 = w <em>simplified fraction</em>
Answer: 1/9
The answer is 114 just divide 228 by 2
The volume is 214*8*2012
=3,444,544