Algebra-1

For (3x – 3)(3 + x) < 0,

Find roots: x = 1, x = −3

Test intervals: x<−3, −3< x <1, x > 1.

Inequality is negative for −3< x < 1.

Thus -3 < x < 1

For 3(3x – 1) < 11,

Expand: 9x − 3< 11

Solve: 9x < 14

Divide: x<

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