How do you factor $16 x^{2} - 25$ $16x^2-25$ ?

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Answer 1 · 2015-02-03T19:16:33

The answer is: $(4 x - 5) (4 x + 5)$ $(4x-5)(4x+5)$ .

This polynomial is a difference of squares, and there is this formula to factor:

$a^{2} - b^{2} = (a - b) (a + b)$ $a^2-b^2=(a-b)(a+b)$ .

How do you factor 16x^2-2516x2−2516x^2-25?