rowziąż równanie:
a)
b)(x-2)(x+3)=x(kwadrat)
wyznacz c ze wzorów
a)2(c=1)=3a
b)
c)
(x-2)(x+3)=x²
x²+3x-2x-6=x²
x²-x²+3x-2x=6
x=6
2(c-1)=3a
2c-2=3a|+2
2c=3a+2|:2
c=1½a+1
--------------------
2(c+1)=3a
2c+2=3a
2c=3a-2
c=(3a-2)/2=1,5a-1
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b)
(x-2)(x+3)=x²
x²+3x-2x-6=x²
x²-x²+3x-2x=6
x=6
2(c-1)=3a
2c-2=3a|+2
2c=3a+2|:2
c=1½a+1
b)
(x-2)(x+3)=x²
x²+3x-2x-6=x²
x=6
--------------------
a)
2(c+1)=3a
2c+2=3a
2c=3a-2
c=(3a-2)/2=1,5a-1