1.Rozwiąż równania:
a)
b)
c)
a) x² - 4x + 4 - x² + 8x - 16 = 8
4x -12 = 8
4x = 20
x = 5
b) 16 - x² + x² - 2√2x + 2 = 0
-2√2x + 18 = 0
-2√2x= -18
2√2x=18
√2x=9
x=9√2 / 2
c) x² - 10 x + 25 - 9 + 6x - x² = 2⁶ * (2²)² : (2³)³
-4x +16 = 2⁶ * 2⁴ : 2⁶
-4x + 16 = 2⁴
-4x + 16 = 16
-4x = 0
x=0
1.
a²-b²=(a+b)(a-b)
2(2x-6)=8
4x-12=8
4x=20
x=5
16-x²+x²-2√2x+2=0
-2√2x=-18
x=14/2√2=9√2/2
-2(2x-8)=2^6*2^8:2^9
-4x+16=2^5
-4x=32-16
x= -4
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a) x² - 4x + 4 - x² + 8x - 16 = 8
4x -12 = 8
4x = 20
x = 5
b) 16 - x² + x² - 2√2x + 2 = 0
-2√2x + 18 = 0
-2√2x= -18
2√2x=18
√2x=9
x=9√2 / 2
c) x² - 10 x + 25 - 9 + 6x - x² = 2⁶ * (2²)² : (2³)³
-4x +16 = 2⁶ * 2⁴ : 2⁶
-4x + 16 = 2⁴
-4x + 16 = 16
-4x = 0
x=0
1.
a²-b²=(a+b)(a-b)
2(2x-6)=8
4x-12=8
4x=20
x=5
b)
16-x²+x²-2√2x+2=0
-2√2x=-18
x=14/2√2=9√2/2
c)
-2(2x-8)=2^6*2^8:2^9
-4x+16=2^5
-4x=32-16
x= -4