Question

-2c²d4 (4c²-c³d+5d¹); поможіть буть ласка ​

Answer 1

$\displaystyle\bf\\-2c^{2} d^{4} \cdot\Big(4c^{2} -c^{3} d+5d\Big)=-2c^{2} d^{4} \cdot 4c^{2} -2c^{2} d^{4} \cdot (-c^{3} d)-2c^{2} d^{4} \cdot 5d=\\\\\\=-8\cdot c^{2+2} \cdot d^{4} +2\cdot c^{2+3} \cdot d^{4+1} -10\cdot c^{2} \cdot d^{4+1} =-8c^{4} d^{4} +2c^{5} d^{5} -10c^{2} d^{5}$