Question

Simplify:


7x2 – 4x + x2 – 3

Answer 1

8x² -4x -3

Explanation:

The x² terms are "like" terms, so can be combined. They have the same variable to the same power.

7x² -4x +x² -3

= (7+1)x² -4x -3 . . . . use the distributive property to rewrite 7x² +x²

= 8x² -4x -3