Factor each polynomial. See Examples $1-4$. $$ 25 c^{2}-20 c+4-d^{2} $$
Added by Rafael B.
Step 1
Step 1: Recognize that $25c^2 - 20c + 4 - d^2$ can be factored as a difference of squares: $(5c - 2)^2 - d^2$ Show more…
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