" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
15a + 5a + 7b - 2b =20a+5b
10a + 9b - 6a - 2b =4a+7b
9a - 18a + 7b - 10b =-9a-3b
12x² - 4x + 8x - 20x² =-8x²+4x
(8x² + 3) + (6x - 2x²) - (1 - 4x) = 8x²+3+6x-2x²-1+4x=6x²+2+10x
- (9xy - 6y) - (xy + y) - (2x + 6y) =-9xy+6y-xy-y-2x-6y=-10xy-y-2x
A = 5a + b ; B= a-b ; C = 4b - 3a
Oblicz: A-B+C oraz -A+B-C
5a+b-(a-b)+4b-3a= 5a+b-a+b+4b-3a=a+6b
-(5a+b)+(a-b)-(4b-3a)= -5a-b+a-b-4b+3a=-a-6b
9x + 2y + 6x + 10 y =15x+12y
15a + 5a + 7b - 2b =20a+5b
10a + 9b - 6a - 2b = 4a+7b
9a - 18a + 7b - 10b =-9a-3b
12x² - 4x + 8x - 20x² =-8x²+4x
2.)
(8x² + 3) + (6x - 2x²) - (1 - 4x) =8x²+3+6x-2x²-1+4x=6x²+10x+2
- (9xy - 6y) - (xy + y) - (2x + 6y) =-9xy+6y-xy-y-2x-6y=-10xy-2x+5y
3.)
5a+b-(a-b)+4b-3a=5a+b-a+b+4b-3a=a+6b
-(5a+b)+a-b-(4b-3a)=-5a-b+a-b-4b+3a=-a-6b
9x + 2y + 6x + 10 y =15x+12y
15a + 5a + 7b - 2b =20a+5b
10a + 9b - 6a - 2b =4a+7b
9a - 18a + 7b - 10b =-9a-3b
12x² - 4x + 8x - 20x² =-8x²+4x
2. Opusc nawiasy i wykonaj redukcje wyrazow podobnych.
(8x² + 3) + (6x - 2x²) - (1 - 4x) =8x²+3+6x-2x²-1+4x=6x²+10x+2
- (9xy - 6y) - (xy + y) - (2x + 6y) =-9xy+6y-xy-y-2x-6y=-10xy-y-2x
3. A-B-C
(5a+b)-(a-b)+(4b-3a)=5a+b-a+b+4b-3a=a+6b
-A+B-C
-(5a+b)+(a-b)-(4b-3a)=-5a-b+a-b-4b+3a=-a-6b