Question

x+7 ka whole cube solved​

Answer 1

Answer:

(x+7)^3

x^3+343+21x^2+147x.

Answer 2

${(x + 7)}^{3} \\ = {x}^{3} + 3. {x}^{2}.7 + 3.x. {7}^{2} + {7}^{3} \\ = {x}^{3} + 21 {x}^{2} + 147x + 343$

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