Question

wykonaj mnożenie i zredukuj wyrazy podobne

A)(x-1)(x³+x²+x+1)

B)(x+1)(x³-x²+x+1)

Answer 1

x do 4+x³+x²+x-x³-x²-x-1=x do 4-1

 

x do 4-x³+x²+x+x³-x²+x+1=x do 4+2x²+2x+1

Answer 2

A) (x - 1)(x³ + x² + x + 1) = x⁴ + x³ + x² + x - x³ - x² - x - 1 = x⁴- 1
B)(x + 1)(x³ - x² + x + 1) = x⁴ - x³ + x² + x + x³ - x² + x + 1 = x⁴ + 2x + 1