Solve by completing the square. Leave your answers in surd form. a. x 2 + 4x
Question:
Solve by completing the square. Leave your answers in surd form.
a. x2 + 4x − 7 = 0
b. x2 − 10x + 2 = 0
c. x2 + 8x − 1 = 0
d. 2x2 − 4x − 5 = 0
e. 2x2 + 6x + 3 = 0
f. 2x2 − 8x − 3 = 0
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a x2 4x 7 0 To complete the square add 422 4 to both sides x2 4x 4 7 4 0 Simplify and factor the lef...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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