Question

2. Determine a diferença de dois binômios:
a) (2x - 1)-(-2x - 1) =
b) (3x² – 2/3) - (–3x² + 2/3) =
​

Answer 1

Resposta:

a) (2x - 1)-(-2x - 1) = 2x - 1 + 2x + 1=4x

b) (3x² – 2/3) - (–3x² + 2/3) =3x² – 2/3 +3x² - 2/3 =6x²-4/3