Question

expand (3x^3 - 1.3)^2​

Answer 1

$\large{\underline{\underline{\boxed{\sf{\purple{Answer}}}}}}$

${ \mathtt{\blue{(3x {}^{3} - 1.3) {}^{2} }}} \\ { \mathtt{\blue{(3x {}^{3} ) {}^{2} + (1.3) {}^{2} - 2(3x {}^{3})(1.3) }}} \\ { \underline\mathtt{\blue{9x {}^{6} - 7.8x {}^{3} + 1.69 }}}$