Question

4. Simplify.
(ii) (2x + 5)2 - (2x - 5)2
(iv) (4m + 5n)2 + (5m + 4n)
(0) (a - b)
(ii) (7m - 8n) + (7m + 8n)?
(V) (2.5p - 1.59)2 – (1.5p – 2.59)
(vi) (ab + bc)2 - 2ab-c
(vii) (m? - nểm) + 2min2​

Answer 1

Answer:

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