x square - 13 x + K is equal to zero is 7 find k
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x^2-13x+k
7^2 - 13 × 7 + k = 0
49 - 91 + k =0
k = 42
7^2 - 13 × 7 + k = 0
49 - 91 + k =0
k = 42
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1
i hope it will help u
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