x²+xPolynomials: math practice, grade 7

Practise “Polynomials” online for free. Five right answers in a row make the tasks harder, two mistakes in a row make them easier. Right answers earn coins for games.

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Example problems

These are only examples: the practice makes new tasks every time.

1. 6x + 6 − 2x − 9 = ?

   Answer

   4x − 3

2. (4x⁵)² = ?

   Answer

   16x¹⁰

3. −x(2x − 5) = ?

   Answer

   −2x² + 5x

4. −6x(4x + 6) = ?

   Answer

   −24x² − 36x

5. (x − 8)(x − 1) = ?

   Answer

   x² − 9x + 8

6. (4x² − 2x + 8) − (x² − 5x − 3) = ?

   Answer

   3x² + 3x + 11

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