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Q: X squared plus 14x plus 49?

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Yes because if x2-14x+49 then it is (x-7)(x-7) when factored

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

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

2x2 + 21x + 49= 2x2 + 14x + 7x + 49= 2x(x + 7) + 7(x + 7)= (x + 7)(2x + 7)

63

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Yes because if x2-14x+49 then it is (x-7)(x-7) when factored

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

35

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

14x(x + 2)

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

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

2x2 + 21x + 49= 2x2 + 14x + 7x + 49= 2x(x + 7) + 7(x + 7)= (x + 7)(2x + 7)

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

if its x(squared) its 7x(cubed) if its 2xX its 14x(squared)

63

(x - 8)(x - 6)

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