Question

4 The expression (2x² + 6x + 5)-(6x² + 3x + 5) is

equivalent to
1) 4x2 + 3x
2) 4x2 – 3x
3) 4x2 – 3x + 10
4) 4x2 + 3x - 10

Answer 1

1) 4x² + 3x

Explanation:

Add/Combine like terms:

2x² - 6x² = -4x²

6x - (+3x) = 3x

5 - (+5) = 0

Simplify: -4x² + 3x