SOLUTION: I need some help figuring out how to factor perfect square trinomials.Can you please help me with this equation: {{{ 25x^2+20x+4^2=0 }}}
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Question 416913: I need some help figuring out how to factor perfect square trinomials.Can you please help me with this equation:
Answer by htmentor(1343) (Show Source): You can put this solution on YOUR website!
Perhaps you wrote the equation down wrong? Is it actually ?
If so, then we recognize 25x^2 as (5x)^2 and 4 as 2^2. The factorization will be of the form (a+b)(a+b). In this case a = 5x, b = 2.
Ans:
Use FOIL to check.
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