; ,
;
PROSZĘ POMÓŻCIE SZYYBKO! :<
(2x-4)(3-6x)=(10-4x)(3x-5)
6x-12x^2-12+24x=30x-50-12x^2+20x
-20x=-38
x=1,9
9(2x+1)^2=4(3x-1)^2
9(4x^2+4x+1)=4(9x^2-6x+1)
36x^2+36x+9=36x^2-24x+4
60x=-5
x=-1/12
Pozdrawiam i licze na naj... :-))
a)
(2x-4)(3-6x)=(3x-5)(10-4x)
6x-12x²-12+24x=30x-12x²-50+20x
30x-12=50x-50
20x=38
b)
9(2x+1)²=4(3x-1)²
9(4x²+1+4x)=4(9x²+1-6x)
36x²+9+36x=36x²+4-24x
36x+9=-24x+4
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
; ,
(2x-4)(3-6x)=(10-4x)(3x-5)
6x-12x^2-12+24x=30x-50-12x^2+20x
-20x=-38
x=1,9
;
9(2x+1)^2=4(3x-1)^2
9(4x^2+4x+1)=4(9x^2-6x+1)
36x^2+36x+9=36x^2-24x+4
60x=-5
x=-1/12
Pozdrawiam i licze na naj... :-))
a)
(2x-4)(3-6x)=(3x-5)(10-4x)
6x-12x²-12+24x=30x-12x²-50+20x
30x-12=50x-50
20x=38
x=1,9
b)
9(2x+1)²=4(3x-1)²
9(4x²+1+4x)=4(9x²+1-6x)
36x²+9+36x=36x²+4-24x
36x+9=-24x+4
60x=-5