Question

3x2 - 2x + 14 = 2(x2 + 7) +3x

Answer 1

Respuesta:

3x2 - 2x + 14 = 2(x2 + 7) +3x

6-2x +14 = 2(2x+7)+3x

6-2x + 14 = 4x+14+3x

6-2x = 4x+3x

6-2x = 7x

2x-7x = -6

-9x = -6

x = 2/3