Simplify each polynomial 3a^2 - 2a - 4 + 2a -3a^2 + 5

3a² - 2a - 4 + 2a -3a² + 5

Put all the like terms together

= 3a² -3a² + 2a - 2a + 5 - 4

Combine like terms

= 1

1

Let's add all alike terms separately.

3a²+(-3a²)= 0; cancels out.

-2a+2a= 0; cancels out.

-4+5= 1

So, the answer is 1.

3,000,540

step-by-step explanation:

the answer would be d

straight away you can eliminate a and c because not all books contain a scientific skill because some may be fiction. c is also wrong because it saids that the only way children can learn is through books which is incorrect.

b is also wrong because reading can be a scientific skill but not always, therefore it is wrong which leaves you with d, the correct answer since it said that it can children learn.

hope this ! : 3