2x - 2 < -12 or 2x + 3 > 7
2x < -12 + 2 or 2x > 7 - 3
2x < -10 or 2x > 4
x < -5 or x > 2
Answer:
a^4+3a^2-3b^2
Step-by-step explanation:

Answer:
AA similarity
Step-by-step explanation:
Respective angles of both triangles are 40°, 50° and 90°
AA similarity is the case:
- <em>If two angles of one triangle are respectively equal to two angles of another triangle, then the two triangles are similar.</em>