Question

Expand : (x+7)
$(x + 7) {}^{3}$
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Answer 1

Answer:

x+7)³

x³+49x7+3x7

x³+343+21x

Answer 2

Answer:

Hey mate,

Here is ur answer......

(x+7)³

= x³+7³+3×x×7(x+7)

= x³+21x²+147x+343......

Hope this helps you and if then please follow me and mark me as branliest.......