Question

a square - 2a + {5a² – (3a - 4a²)}​

Answer 1

Answer:

${a}^{2} - 2a + (5 {a}^{2} - 3a + 4 {a}^{2} ) \\ { {a}^{2} - 2a} + 9 {a }^{2} - 3a \\ 10 {a}^{2} -5 a \\ 5a(2 {a} - 1)$

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