You have 2x^2 + 9x -9 and 3x^2 -2x +14
To find total area add the two polynomials together by combining the like terms.
2x^2 + 3x^2 = 5x^2
9x + -2x = 9x-2x = 7x
-9 + 14 = 5
Total area = 5x^2 + 7x + 5
Step-by-step explanation:
Solving like terms
-4x - 7x - 2y -8y
-11x - 10y
Gghhdwbfwbfwbfwbfebfwbwfbfwbqd
Therefore, Sandy has 276 football cards.
