In this section we introduced methods of solving equations quadratic in form by substitution and solving equations
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In this section we introduced methods of solving equations quadratic in form by substitution and solving equations involving radicals by raising each side of the equation to a power. Suppose we wish to solve x - √x - 12 = 0. We can solve this equation using either of the two methods. To see how both methods apply. Solve 3x - 2√x - 8 = 0 using one of the two methods described.
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3x 2x 8 0 Solve by substitution Let u x then u 2 x Solve th...View the full answer
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Related Book For
College Algebra
ISBN: 978-0134697024
12th edition
Authors: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
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