" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a)
(10mn + 5m - 7n) - (10mn + 5m - 7n)
10mn + 5m - 7n - 10mn - 5m + 7n
10mn - 10mn + 5m - 5m - 7n + 7n
0
.................................................................................
b)
(4x² - 3x) + (2x² - 5x)
4x² - 3x + 2x² - 5x
4x² + 2x² - 3x - 5x
6x² - 8x
.....................................................................
c)
(4x² - 6x + 8) + (2x² + x - 5)
4x² - 6x + 8 + 2x² + x - 5
4x² + 2x² - 6x + x + 8 - 5
6x² - 5x + 3
..................................................................................
d)
(3a² - 6a + 7) - (6a² + 3a + 5)
3a² - 6a + 7 - 6a² - 3a - 5
3a² - 6a² - 6a - 3a + 7 - 5
- 3a² - 9a + 2