Question

(10x\4-6y\2)\3 помогите плиз

Answer 1

$\frac{ \frac{10x}{4}- \frac{6y}{2} }{3} = \frac{10x}{12}- \frac{6y}{6}= \frac{5x}{6}-y= \frac{5x-6y}{6}$

(10x⁴-6y²)³=(10x⁴)³+3(10x⁴)²(-6y²)+3(10x⁴)(-6y²)²+(-6y²)³=

=1000x¹²-1800x⁸y²+1080x⁴y⁴-216y⁶