Question

If x=2 is a solution of kx² + 2 x - 3 =0 the value of k is​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

$kx {}^{2} + 2x - 3 = 0 \\ k(2 {}^{2}) + 2 \times 2 - 3 = 0 \\ 4k + 4 - 3 = 0 \\ 4k + 1 = 0 \\ 4k = - 1 \\ k = - 1 \div 4$