Question

resultado de inecuación paso a paso (a-4)(a+5)<(a-3)(a-2)

Answer 1

Respuesta:

${a}^{2} + a + 20(a - 3)(a - 2)$

${a}^{2} + a + 20 < {a}^{2} - 5a - 6$

$a - 20 < - 5a + 6$

$a - 20 + 5a < 6$

$6a - 20 < 6$

$6a < 6 + 20$

$a = \frac{26}{6}$

$a = \frac{13}{3}$