Solve by completing the square. a. x 2 + 8x 9 = 0 b. x 2
Question:
Solve by completing the square.
a. x2 + 8x − 9 = 0
b. x2 + 4x − 12 = 0
c. x2 − 2x − 35 = 0
d. x2 − 9x + 14 = 0
e. x2 + 3x − 18 = 0
f. x2 + 9x − 10 = 0
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Step By Step Solution a x2 8x 9 0 The square of the halfcoefficient of x must be added and subtracte...View the full answer
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Related Book For 
Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook
ISBN: 9781108407144
1st Edition
Authors: Sue Pemberton, Julian Gilbey
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