Question

Математика.


Даю 19 баллов.

Answer 1

${x}^{8} + {3x}^{4} + 4 = ( {x}^{4} + {x}^{2} + 2)(x {}^{4} - {x}^{2} + 2)$

$ax + by + bx + ay = b(x + y) + a(x + y) = (x + y)(a + b)$

$2a + 2b + {(a + b)}^{2} = (2 + a + b)(a + b)$