Solve the following equations. Express roots in the form a b c, where necessary. a. x
Question:
Solve the following equations.
Express roots in the form a ± b √c, where necessary.
a. x3 + 5x2 – 4x – 2 = 0
b. x3 + 8x2 + 12x – 9 =0
c. x3 + 2x2 – 7x – 2 = 0
d. 2x3 + 3x2 – 17x + 12 = 0
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a x3 5x2 4x 2 0 To solve this equation we can factor it as x2x1x1 0 Thus the roots of the e...View the full answer
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Related Book For 
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
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