Объяснение:
[tex] {a}^{3} (a + 4) - 3 {a}^{2} (4 + a) {}^{2} = {a}^{2} (a + 4)(a - 4 - a) = - 4 {a}^{2} (a + 4)[/tex]
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Объяснение:
[tex] {a}^{3} (a + 4) - 3 {a}^{2} (4 + a) {}^{2} = {a}^{2} (a + 4)(a - 4 - a) = - 4 {a}^{2} (a + 4)[/tex]