Edexcel IGCSE Math A Higher 2.2 B Collect Like Terms Questions

Practise like-term questions by grouping matching letters, combining coefficients and preserving positive or negative signs in the simplified answer.

Exam points

Simplify expressions by collecting matching letter terms and keeping their signs.
Combine repeated variables into one coefficient, such as a + a + a + a = 4a.

[Maximum number: 1]

Given that $8 \sqrt{m}+\sqrt{49 m}-\sqrt{9 m}=k \sqrt{m}$ where k is an integer and m is a prime number,

work out the value of k

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