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Homework help easy Algebra 1?

0 votes

Factor completely: 15x^2 – 52x + 21

factors

asked Oct 30, 2013 in ALGEBRA 1 by futai Scholar

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1 Answer

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The expression is 15x² - 52x + 21.

By factoring by grouping.

15x² - 52x + 21 = 15x² - 45x - 7x + 21

= 15x(x - 3) - 7(x - 3)

= (x - 3)(15x - 7).

The complete factor of 15x² - 52x + 21 is (x - 3)(15x - 7).

answered Aug 19, 2014 by lilly Expert

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