" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x² - 6x + 9 - x² - 10x - 25 = -2
-16x - 16 = -2
-16x = -2 + 16
-16x = 14 /:(-16)
x = -7/8
4(x + ¹/₂)² = (2x - 3)(2x + 3)
4(x² + x + ¹/₄) = 4x² - 9
4x² + 4x + 1 = 4x² - 9
4x = -9 - 1
4x = -10 /:4
x = -2¹/₂
4(x²+x+1/4)=4x²+6x-6x-9x
4x²+4x+1=4x²-9x
13x=-1
x=-1/13
chyba że chodziło o
4x²+4x+1=(2x-3)(2x+3)
4x²+4x+1=4x²-9
4x=-10
x=-2/5
x²-2x*3+9-(x²+2x*5+25)=-2
x²-6x+9-x²-10x-25=-2
-16x-16=-2
-16x=14
x=-14/16
x=-7/8