WYKONAJ DZIAŁANIA:a) (3xy-5y)-(10xy-2y)= b) 4a(5b-a)-4(2a-2ab)= c) (4+x)(x-8)=
a)
(3xy-5y)-(10xy-2y)=3xy-5y-10xy+2y=-7xy-3y
b)
4a(5b-a)-4(2a-2ab)=20ab-4a²-8a+8ab=-4a²+28ab-8a
c)
(4+x)(x-8)=4x-32+x²-8x=x²-4x-32
3xy-5y-10xy+2y=-7xy-3y
20ab-4a^2-8a+8ab=28ab-4a^2-8a
4x-32+x^2-8x=x^2-4x-32
^ oznacza do potęgi
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a)
(3xy-5y)-(10xy-2y)=3xy-5y-10xy+2y=-7xy-3y
b)
4a(5b-a)-4(2a-2ab)=20ab-4a²-8a+8ab=-4a²+28ab-8a
c)
(4+x)(x-8)=4x-32+x²-8x=x²-4x-32
3xy-5y-10xy+2y=-7xy-3y
20ab-4a^2-8a+8ab=28ab-4a^2-8a
4x-32+x^2-8x=x^2-4x-32
^ oznacza do potęgi