Answer:
Expression 1 is equal to B
Expression 2 is equal to A
Expression 3 is equal to C
Step-by-step explanation:
Step 1: Simplify 1st expression
3x² - 7x + 14 + 5x² + 4x - 6
8x² - 3x + 8
Step 2: Simplify 2nd expression
2x² - 5x - 3 - 10x² + 2x + 7
-8x² - 3x + 4
Step 3: Process of Elimination
