Front

Find the sum: (2x² + 5x - 7) + (3 - 4x² + 6x)

Back

-2x² + 11x -4

Front

Simplify: 9n³ + 4n, 7n³ + 6, -3n³ + 2, 7n⁶ + 6

Back

7n³ + 6

Front

Subtract: (2a² + 5a + 3) -(a² - 3a - 4)

Back

a² + 8a + 7

Front

Combine like terms: 8x³y + 3x²y + 4xy + 5x²y + 2xy + 7x²y

Back

8x³y + 15x²y + 6xy

Front

(x³-x²+4) - (3x³-2x²+3)

Back

-2x³+x²+1

Front

(10m - 7n) + (2m - n)

Back

12m - 8n

Front

Simplify: (4x² + x) - (x² + 2x)

Back

3x² - x

Front

Simplify: (x⁵ + x³) - (6x - x³ + 6x⁵)

Back

-5x⁵ + 2x³ - 6x

Front

(x³-x²+4) - (3x³-2x²+3)

Back

-2x³+x²+1

Front

(2x + 5y) - (3x - 2y)

Back

-x + 7y