Question

$solve \\ (x + 1)(x + 3)(x + 5)(x + 7) = 20$
​

Answer 1

$\\ (x + 1)(x + 3)(x + 5)(x + 7) = 20$

$(x + 1)( x + 3)( x + 5)(x + 7) = 20$

$( {x}^{2} + x + 3x + 3)( {x}^{2} + 7x + 5x + 35)$

$( {x}^{2} + 4x + 3)( {x}^{2} + 12x + 35$