Expansion and Factorisation

Front

Which of the following expressions cannot be factored? Options: x² – 4x + 4, x² – y², x² + 4x + 4, x² + y²

Back

x² + y²

Front

15c * 4c²

Back

60c³

Front

Which expression is equivalent to x² – 4y²? Options: (x + 2)(x – 2), (x – 2y)², (x + 2y)(x – 2y), (x + 2y)²

Back

(x + 2y)(x – 2y)

Front

Factor: x² - 7x - 12

Back

Not factorable

Front

Factor: a² – 196

Back

(a + 14)(a – 14)

Front

Expand and simplify: (4x + 3)(5x + 6)

Back

20x² + 39x + 18

Front

Factorise completely: 25m² – 20mn + 4n²

Back

(5m - 2n)²

Front

Expand and simplify: (5h + 4k)²

Back

25h² + 40hk + 16k²

Front

(3pr + 7)(3pr – 7)

Back

9p²r² - 49 

Front

Area of a square with side (2x - 7) cm?

Back

4x² - 28x + 49 cm²