Question

converter um polinômio
a) (x-4y)(x+4y)-(y+5x)(5x-y)
б) (c+d)(c-d)(d²+с²)
в) 2x(x+2)+x³+8=0

Answer 1

(x - 4y)(x + 4y) - (y + 5x)(5x - y)
x² + 4xy - 4xy - 16y² - (5xy - y² + 25x² - 5xy)
x² - 16y² + y² + 25x²
26x² - 15y²


(c + d)(c - d)(d² + с²)
(c² - cd + cd - d²)(d² + c²)
(c² - d²)(d² + c²)
c²d² + c^4 - d^4 - c²d²
c^4 - d^4


2x(x + 2) + x³ + 8 = 0
2x² + 4x + x³ + 8 = 0

BONS ESTUDOS!