Prosze Plis pomocy zrobcie mi prosze was o pomoc ;) plis;) PROSZE BŁAGAM
mnożenie jednomianow przez sumy
3)zapisz w jak najprostrzej postaci:
a)3(a+b)+(a-2b)
b)-4(x-z)-(x+y)
c)5(4x-7)+(7-4x)
d)(4x-y)-2(x+y)
e)2(3x-2y+3z)-5(x-y-z)
f)4x(x-y-z)-2x(4x-y+z)
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a) 3(a+b)+(a-2b)= 3a+3b+a-2b=4a+b
b) -4(x-z)-(x+y)= -4x+4z-x-y=-5x-y+4z
c)5(4x-7)+(7-4x)= 20x-35+7-4x=16x-28
d)(4x-y)-2(x+y)= 4x-y-2x-2y=2x-3y
e)2(3x-2y+3z)-5(x-y-z)= 6x-4y+6z-5x+5y+5z=x+y+11z
f)4x(x-y-z)-2x(4x-y+z)= 4x²-4xy-4xz-8x²+2xy-2xz=-4x²-2xy-6xz
Proszę ;))
a)3(a+b)+(a-2b)=3a+3b+a-2b=4a+b
b)-4(x-z)-(x+y)=-4x+4z-x-y=-5x-y+4z
c)5(4x-7)+(7-4x)=20x-35+7-4x=16x-28
d)(4x-y)-2(x+y)=4x-y-2x-2y=2x-3y
e)2(3x-2y+3z)-5(x-y-z)=6x-4y+6z-5x+5y+5z=x+y+11z
f)4x(x-y-z)-2x(4x-y+z)=4x²-4xy-4xz-8x²+2xy-2xz=-4x²-2xy-6xz