Question

solo necesito esa, debo entregar hoy :3​

Answer 1

Explicación paso a paso:

$a + b = - 4 + 3 = - 1 \\ (a + b)^{2} = (- 4 + 3)^{2} = ( - 1)^{2} = 1 \\ {a}^{2} = ( { - 4)}^{2} = {4}^{2} = 16 \\ {b}^{2} = {3}^{2} = 9$