Q112 | Factorise x^2+14x+49 | Factorise x square + 14x + 49 | x ^2 + 14x + 49 | x2 + 14x + 49
因数 x^2 - 14x + 49
`x^(2)+14x+49`
Is this trinomial square:- b² + 14b - 49 @ntrsolutions
Perfect Square Trinomial
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x^2+14x+49 を因数分解します
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因数 x^2+14x+49
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