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Q: How do you factor x2 14x 49?

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x2 - 14x + 49(x - 7) (x - 7)

(x - 7)(x - 7)

35

x2 - 14x = -49 ∴ x2 - 14x + 49 = 0 ∴ (x - 7)2 = 0 ∴ x = 7

(x2 + 14x + 49) = (x + 7)2

-x2+14x=49

x2 - 14x + 49 = (x - 7)2

x2+14x+49 = (x+7)(x+7) when factored

49 x2 + 14x = -7 x2 + 14x + 49 = 42 (x + 7)2 = 42 x = -7 ± √42

x2 - 14x + 45 = (x - 5)(x - 9).

x2+14x+40 = (x+4)(x+10) when factored

51.07142857142857

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