Question

Addition of 4a² + 5b² and _4;a² + 5b²

Answer 1

Answer:

given algebraic expression are : 4a² + 5b² + 6ab , 3ab , 6a² - 2b² , 4b² - 5ab;

now adding all expressions ;[horizontal method ]

= (4a² + 5b² + 6ab) + 3ab + ( 6a² - 2b² ) + (4b² - 5ab)

= (4a² + 6a² ) + (5b² - 2b² + 4b² ) + (6ab + 3ab - 5ab)

= 10a² + 7b² + 4ab

add all expressions [vertical method ]

4a² + 5b² + 6ab

+ 3ab

+6a² - 2b²

+ 4b² - 5ab

---------------------------------------------------------

10a² + 7b² + 4ab

yeah, we get the same answer with both methods

Answer 2

Answer:

8a²+10b²

Step-by-step explanation:

4a²+5b²

+4a²+5b²

=8a²+10b²