Question

Solve the following

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Answer 1

Answer:

1) 2a + 4b + 8a + 6b + 9a - 6b = (2a + 8a + 9a) + (4b + 6b - 6b) = 19a + 4b

2) 2a + 4ab + 2c + 4a - 2ab + 4c = (2a + 4a) + (4ab - 2ab) + (4c + 2c)

                                                     = 6a + 2ab + 6c

3) 8$x^{2}$ + 12$y^{2}$ + 2$x^{2}$ - 6$y^{2}$ = (8$x^{2}$ + 2$x^{2}$ ) + ( 12$y^{2}$ - 6$y^{2}$ ) = 10$x^{2}$ + 6$y^{2}$

4) 7$a^{2} b^{2}$ + 8ab + 7$a^{2} b^{2}$ + 4ab = 14$a^{2} b^{2}$ + 12ab

5) 8ab - 5ab +3ab - ab = 5ab

6) 3a + 4b - 4c + 2a + 3b - 8c +a - 6b + c = 6a + b - 11c

Subtraction:

1) -5$a^{2}$b - 3$a^{2}$b = -8$a^{2}$b

2) 6pq - (-8pq) = 6pq + 8pq = 14pq

3) 3a - 4b - c + 6 - (2a - 5b + 9c) = (3a - 2a) + (-4b + 5b) + (-c - 9c) + 6

                                                    = a + b - 10c + 6

Answer 2

your answer.

Step-by-step explanation:

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