Question

Cuanto es (x+5)(x-6). Simplificando y resolviendo

Answer 1

Respuesta:

${x}^{2} - x - 30$

Explicación paso a paso:

$(x + 5)(x - 6) = [(x • x) + (x • -6)] + [(5 • x) + (5 • -6)]$

$x • x = {x}^{2}$

$x • -6 = -6x$

$5 • x = 5x$

$5 • -6 = -30$

${x}^{2} + (-6x) + 5x + (-30) = {x}^{2} - 6x + 5x - 30 = {x}^{2} - x - 30$