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Answer:2x^2 - x -15=0
Explanation:
3(x+2+3) = x+1(x-1+x+1)
Collect like terms
3(x+2+3) = x+1 (x+x-1+1)
3(x+5) = x+1 (2x)
3x + 15 = 2x^2 + 2x
2x^2 + 2x -3x -15
2x^2 - x - 15= 0
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