Solve each equation by factorising: a. x + x 20 = 0 b. x 5x
Question:
Solve each equation by factorising:
a. x² + x − 20 = 0
b. x² − 5x + 6 = 0
c. x² − 3x − 28 = 0
d. x² + 13x + 42 = 0
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Related Book For
Cambridge IGCSE And O Level Additional Mathematics
ISBN: 9781510421646
1st Edition
Authors: Val Hanrahan, Jeanette Powell
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