November 2023 1 8 Report
(x + y) + (x - y) *
2x
2x + 2y
2x - 2y
x + y
3.- (5xy² + 9x²) + (- 4x² - 20xy²) *
-15xy² + 5x²
+1xy² -11x²
15xy² + 9x²
1xy² + 5x²
4.- (7a²b + 8bc²) + ( 26a²b – bc²) *
43a²b + bc²
33a²b - bc²
33a²b + 7bc²
33a²b + bc²
5.- (6x³y³ + 17x²y⁴) + (18x³y³ + 17x²y⁴) *

24x³y³ + 34x²y⁴
34x³y³ + 17x²y⁴
24x³y³ + 17x²y⁴
24x³y³ - 34x²y⁴
6.- (5a – 7x + 8) + (–2x - 24a – 2) *
-7a – 7x + 8
19a – 9x + 6
-19a – 9x + 6
19a – 9x - 6
7.- (3x² – 4xy + y²) + (6x² – 3y² – 5xy) *
9x² – 7xy - 2y²
-9x² – 9xy - 2y²
9x² – 7xy - 4y²
9x² – 9xy - 2y²

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