Question

Sederhanakan bentuk" Aljabar berikut dgn benar !
1. 2x + 3y - 4x - 5y

2. 9x² + 7x'3 - 8x² - 5x'3

3. 7a(1+b) - 3b(1 + a)

4. 3b - bx
_______ ( per)
cx - 3c

5. 3 3
____ + ____ (per)
x+1 x-1

6. x y
_____ + _____ (per)
x+y x-y

7. x² - 5x - 6
___________ (per)
x + 1

8. 3x² - 27
_________ (per)
x² + 2x - 3

Jawabannya jangan main"

Answer 1

1. 2x - 4x + 3y - 5y = -2x - 2y...

Answer 2

1. 2x + 3y - 4x - 5y
=2x-4x+3y-5x
=-2x-2y
2. 9x² + 7x'3 - 8x² - 5x'3
=9x²-8x²+7x'3-5x''3
=x²+2x'3
3. 7a(1+b) - 3b(1 + a)
=7a+7ab-3b-3ab
=7a+7ab-3ab-3b
=7a+4ab-3b

7. x² - 5x - 6
___________ (per)
x + 1
=(x-6)(x+1)
__________
=(x+1)
=x-6
8. 3x² - 27
_________ (per)
x² + 2x - 3
=(3x+9)(x-3)
___________
=(x+1)(x-3)
  3x+9
=____
   x+1

sorry gw tau hanya itu