1. Rozwiaz wielomian
a) -4(x+1)^3 - (4x+2)(4x-2) + (3x+1)(x^2+3x-2)
a)-4(x^3+3x^2+3x+1)-(16x^2-4)+3x^3+9x^2-6x+x^2+3x-2=
=-4x^3-12x^2-12x-4-16x^2+4+3x^3+9x^2-6x+x^2+3x-2=
=-x^3-18x^2-15x-2
(x+1)^3=x^3+3x^2+3x+1
(3x+1)(x^2+3x-2)=3x^3+9x^2-6x+x^2+3x-2
Pozdrawiam i liczę na naj i dz:)
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a)-4(x^3+3x^2+3x+1)-(16x^2-4)+3x^3+9x^2-6x+x^2+3x-2=
=-4x^3-12x^2-12x-4-16x^2+4+3x^3+9x^2-6x+x^2+3x-2=
=-x^3-18x^2-15x-2
(x+1)^3=x^3+3x^2+3x+1
(3x+1)(x^2+3x-2)=3x^3+9x^2-6x+x^2+3x-2
Pozdrawiam i liczę na naj i dz:)