2010011505 | math4u.vsb.cz

SubArea:

Linear equations and inequalities

Level:

Project ID:

2010011505

Source Problem:

Accepted:

0

Clonable:

1

Easy:

0

Assuming

x \in R

, find the solution set of the following inequality.

(x + 3)^{2} - 1 + 3 x^{2} > (2 - 2 x)^{2}

(- \frac{2}{7}; \infty)

(\frac{2}{7}; \infty)

(- \infty; \frac{2}{7})

(- \infty; - \frac{2}{7})