Question

x⁴+5x²+4 factorización​

Answer 1

Respuesta:

$x^{4} +5x^{2} +4\\x^{2} ..............4 \\x^{2} ..............1\\(x^{2} +4)(x^{2} +1)$

$x^{4} +5x^{2} +4\\x^{4} +x^{2} +4x^{2} +4\\x^{2} (x^{2} +1)+4(x^{2} +1)\\(x^{2} +4)(x^{2} +1)\\(x+2)(x+2)(x+1)(x+1)$

x: -2 , -1