[tex]18 {a}^{2} + 17a - 15 \\ \\ \frac{ 18(18 {a}^{2} ) + 17(18a) - (15)(18) }{18}\\ \\ \\ \frac{324 {a}^{2} + 17(18a) - 270 }{18} \\ \\ \frac{(18a +27 )(18a -10 )}{18} \\ \\ \frac{9(2a + 3) \times 2(9a - 5)}{9 \times 2} \\ \\respuesta \\ (2a + 3)(9a - 5)[/tex]
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[tex]18 {a}^{2} + 17a - 15 \\ \\ \frac{ 18(18 {a}^{2} ) + 17(18a) - (15)(18) }{18}\\ \\ \\ \frac{324 {a}^{2} + 17(18a) - 270 }{18} \\ \\ \frac{(18a +27 )(18a -10 )}{18} \\ \\ \frac{9(2a + 3) \times 2(9a - 5)}{9 \times 2} \\ \\respuesta \\ (2a + 3)(9a - 5)[/tex]