Final answer to the problem
$\frac{28}{15}x+\frac{16}{9}xy+\frac{16}{9}y^2+\frac{1}{28}x^2$
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Step-by-step Solution
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1
Simplifying
$3\cdot \frac{2}{3}x+\frac{3}{2}xy+2y^2+\frac{1}{7}x^2-\left(\frac{3}{28}x^2+\frac{2}{9}y^2-\frac{5}{18}xy+\frac{2}{15}x\right)$
2
Simplifying
$\frac{28}{15}x+\frac{16}{9}xy+\frac{16}{9}y^2+\frac{1}{28}x^2$
Final answer to the problem
$\frac{28}{15}x+\frac{16}{9}xy+\frac{16}{9}y^2+\frac{1}{28}x^2$