Question

(x-2)(x+2)(x*+4)-(x*-1)*+2(x+1)*
Steluta inlucuieste la puterea 2 unde se afla * bine AJUTATIMA VAROG FRUMOS REPEDE

Answer 1

$( {x}^{2} + 2x - 2x - 4 ) ( {x}^{2} + 4) \\ - {x}^{4} + 1 + (2 {x}^{2} + {2}^{2})$
$({x}^{2} - 4)( {x}^{2} + 4) \\ - {x}^{4} + 1 + 2 {x}^{2} + 4$
${x}^{4} + 4 {x}^{2} - 4 {x}^{2} - 16 - \\ {x}^{4} + 1 + 2 {x}^{2} + 4$
$2 {x}^{4} + 2 {x}^{2} - 11$