Question

Me ajudem, é urgente

Answer 1

$ab + ac \\ a(b + c) \\ \\ ab + a + bc + c \\ a(b + 1) + c(b + 1) \\ (b + 1)(a + c) \\ \\{a}^{2} - ab + {b}^{2} \\ (a - b {)}^{2} \\ \\ {a}^{2} - {b}^{2} \\ (a - b)(a + b) \\ \\ {a }^{3} + {b}^{3} \\ (a + b)( {a}^{2} - 2ab + {b}^{2} ) \\ \\ {a }^{3} - {b}^{3} \\ (a - b)( {a}^{2} + 2ab + {b}^{2} )$