Question

if k=2-x, then the value of x³ + 6kx +k³-8​

Answer 1

Answer:

${x3}^ + 6(2 - x)x + (2 - x) {3} - 8 \\ x {3} + 12x - 6x ^{2} + 8 - x {3} + 12x - 6 x ^{2} - 8 \\ - 12x ^{2} + 24x = 0 \\ - 12x ^{2} = - 24x \\ x = 2$

Step-by-step explanation:

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