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What value of b makes the polynomial x2 - bx plus 25 a perfect square?
Wiki User
∙ 13y ago
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Marianne Hagenes
Wiki User
∙ 13y agoB would have to equal 10. cause in order for it to be a perfect square the 25 is a perfect square, so you would take the square root of it and double it. which would make the equation x2-10x+25.
That can then be factored into (x-5)^2
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