Question

the coefficient of x square in the expansion of x+2 whole cube​

Answer 1

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Answer 2

Step-by-step explanation:

${(x + 2)}^{3}$

${x}^{3} + {2}^{3} + 3(x)(2)(x + 2)$

${x}^{3} + 8 + 6x(x + 2)$

${x}^{3} + 8 + 6 {x}^{2} + 12x$

${x}^{3} + 6 {x}^{2} + 12x + 8$

The coefficient of x² is 6