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What value of c makes 4x2-28x plus c a perfect square?

Updated: 10/17/2022

Wiki User

∙ 13y ago

Best Answer

49

Check when:-

4x2-28x+49 = 0

(2x-7)(2x-7) = 0

x = 7/2 and also x = 7/2

Wiki User

∙ 13y ago

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