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Factor completely 16x2 − 25. (4x − 5)(4x − 5) (4x 5)(4x − 5) (16x 5)(x − 5) (16x − 5)(x 5)
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Factor completely 16x2 − 25. (4x − 5)(4x − 5) (4x 5)(4x − 5) (16x 5)(x − 5) (16x − 5)(x 5)

User The Philomath
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1 Answer

2 votes
16x^2 - 25 = (4x)^2-5^2. Using the formula
(a+b)(a-b) = a^2-b^2, we can create an equivalent expression, where 4x is a and 5 is b:
(4x+5)(4x-5)
Hope this helps
User Robbie JW
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