The X-Factor is an excellent book to assist you with tricky questions.

The X-Factor is an excellent book to assist you with tricky questions. It hosts quality, but simple explanations with exercises in abundance. The book thoroughly prepared me for the final examination and helped me to excel in maths. The X-Factor is a definite MUST in preparing for tests and exams throughout the year as well 
2017-04-09T20:58:10+00:00
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