Question

(x^2+5x+12)(x^2-5x+12) as a different of two squares

Answer 1

Answer:

$( {x}^{2} + 5x + 12)( {x}^{2} - 5x + 12) \\ = ( {x}^{2} + 12+ 5x ) ( {x}^{2} + 12 - 5x ) \\ = ( {x}^{2} + 12)^{2} - (5x)^{2}$