7m (m + 4) + m² + 2 =

-4e + (e - 1) =

7(3n - 4m) + 8n =

Evaluate the expression (2p + 3q) (p - q) if p = 4 and q = -3

6(3 + 2y) =

If g = 3 calculate the value of 5g⁴.

Change the subject of the formula y = 3x + 8 to x.

(9⁸)³ =

-3b² (4a - b) =

Find the value of 3s - 4p + r + q if p = 3, q = 2 r = -3 and s = 5