Question

If
${15}^{2} + 4 {b}^{2} \div 15 {a}^{2} - 4 {b}^{2} = 47 \div 7$
then
$b {}^{3} - 2 {a}^{3} \div {b}^{3} + 2{a}^{3} = .......$

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Answer 1

Step-by-step explanation:

this is not correct question