Answer:
13 - 2x
Step-by-step explanation:
(x +2)² + (x - 3)² - 2x²
Expand.
(x + 2)(x + 2) + (x - 3)(x - 3) - 2x²
x² + 2x + 2x + 4 + x² - 3x - 3x + 9 - 2x²
Bring all the like terms together then simply.
x² + x² - 2x² + 2x + 2x - 3x - 3x + 4 + 9
2x² - 2x² + 4x - 6x + 13
= 13 - 2x (or -2x + 13 )
