Question

Please help me!! what's the expression in simplest form?​

Answer 1

2a² - 2b - 1

Explanation:

Given

- 5 + b + 2a² - 3b + 4 ← collect like terms

= 2a² + (b - 3b) + (- 5 + 4)

= 2a² + (- 2b) + (- 1)

= 2a² - 2b - 1