Question

Add these three algebraic expressions using the vertical addition method. What is the answer?

a - 3a+2

2a? - 5a -3

- 4a + a-7



A. -a² + 7a-8



B. - a2 - 7a-8

C. a2 - 7a-8​

Answer 1

Answer:

B.

Step-by-step explanation:

So,

a²+2a²-4a²=-a².

-3a-5a+a=-7a.

2-3-7=-8.

hence,the equation will be:

-a²-7a-8.

hence,B is the correct option.