Question

expand using suitable identity (11-7x)3​

Answer 1

$(a - b)c$

$(11 - 7x)3$

$(4x)3$

$12x$

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Answer 2

Answer:

(11-7x)³

(a-b)³ =+a²-3a²b +3ab²-b²

=(11)²-[3x(11)²x(7x)] +[3x11x(7x)²] -(7x)²

=121-(21x X (121)) +(33x 49x²)-49x²

=121-2541x +1617x²-49x²

ans =121-2541x +1617x²-49x²