Wykonaj działania
a) (x³+2)x-(x²+1)²=
b)(x+4)(x²-x+2)-3x(x-2)=
a) (x³+2)x-(x²+1)²=x⁴+2x-(x⁴+2x²-1)= x⁴+2x-x⁴-2x²+1=2x-2x²+1=x(2-2x) +1
b)(x+4)(x²-x+2)-3x(x-2)=x³-x²+2x+4x²-4x+8-3x²-6x=x³-8x+8
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a) (x³+2)x-(x²+1)²=x⁴+2x-(x⁴+2x²-1)= x⁴+2x-x⁴-2x²+1=2x-2x²+1=x(2-2x) +1
b)(x+4)(x²-x+2)-3x(x-2)=x³-x²+2x+4x²-4x+8-3x²-6x=x³-8x+8