Question

Can you answer this, please?

Answer 1

3rd option

Explanation:

Given

(- 7x² + 5x - 1) + (6x² + 8x + 3) ← remove parenthesis

= - 7x² + 5x - 1 + 6x² + 8x + 3 ← collect like terms

= - x² + 13x + 2

Answer 2

-x² + 13x + 2

Explanation:

you are on ambitious level, and you cannot answer that yourself ? that is trivial. truly. no hidden traps, just straight forward adding and simplifying. what is the problem, please ?

-7x² + 6x² = -x²

5x + 8x = 13x

-1 + 3 = 2