Question

(а^7-t^5)(a^14+a^7t^5+t^10) нужно собрать​

Answer 1

(а^7-t^5)(a^14+a^7t^5+t^10)=а^21-а^14t^5+a^14t^5-a^7t^10+a^7t^10-t^15=a^21-t^15

Answer 2

(a⁷ - t⁵)(a¹⁴ + a⁷t⁵ + t¹⁰) = (a⁷)³ - (t⁵)³ = a²¹ - t¹⁵