Homework Help: Math Algebra

Posted by Edward on Wednesday, April 1, 2009 at 1:18am.

I’m working on factoring trinomials of the form ax2 + bx + c & perfect square trinomials. This chapter explains that a further method will be needed to conduct a trial and check process, in which the middle term is the sum of the products.

Here’s the problem as follows:

4y2 - 20y + 25 = (2y-5) ( )

Math Algebra - Damon, Wednesday, April 1, 2009 at 2:25am
You need another 2y to get 4y
4y2 - 20y + 25 = (2y-5) (2y )
now that-5*2y = -10y
so the product of -5 and the last term must be 25 so -5

so
(2y-5)(2y-5)

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