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If the root of the equation X square - kx + 42 =0 with shown working below

3 answers

X^2 - kx + 42 = 0

(X - 7)(X - 6) = 0

X = 7 or X = 6

The answer is X = 7 or X = 6.
X^2 - kx + 42 = 0

(X - 7)(X - 6) = 0

X = 7 or X = 6

The answer is X = 7 or X = 6.
k can be either 43, 23, 17, or 13
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