Question

[3/8a-14b]^2 expand it​

Answer 1

$\large{\implies{Answer}}$

$= ( \frac{3}{8} a - 14b) {}^{2} \\ = ( \frac{3}{8} a) {}^{2} + ( - 14b) {}^{2} + 2( \frac{3}{8} a)( - 14b) \\ = \frac{9}{64} a {}^{2} + 196b {}^{2} - \frac{21ab}{2}$

Answer 2

Answer:

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