The trinomial 6x 2 + 7x - 20 may be factored using substitution. The first term in
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The trinomial 6x2 + 7x - 20 may be factored using substitution.
The first term in the numerator of the answer from Exercise 77 is now a perfect square. Let t = 6x (the square root of 36x2), and rewrite the expression.
Data from in Exercise 77
Multiply each term of 6x2 + 7x - 20 by 6 (the leading coefficient). Then compensate by dividing the result by 6 (that is, write it as a fraction with denominator 6).
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Related Book For
Intermediate Algebra
ISBN: 9780134895987
13th Edition
Authors: Margaret Lial, John Hornsby, Terry McGinnis
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