Simplify :

Question

If P=2x²+2x+3 and Q=-4x²-3, find 2P-Q

 

Answer 1

2P - Q =

 

2(2x² + 2x + 3) - (-4x² - 3)

 

 

Use distributive property to simplify.

 

4x² + 4x + 6 + 4x² + 3

 

 

Combine like terms.

 

8x² + 4x + 9