Преобразуйте в многочлен выражение :
1)(3x+k)(9x^2-3xk+k^2)
2)(p-5q)(p^2+5pq+25q^2)
3)(2a-1)(4a^2+2a+1)
4)(3+2b)(9-6b+4b^2)
1)(3x+k)(9x^2-3xk+k^2)
2)(p-5q)(p^2+5pq+25q^2)
3)(2a-1)(4a^2+2a+1)
4)(3+2b)(9-6b+4b^2)
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Verified answer
1)(3x+k)(9x^2-3xk+k^2)=27x^3+k^32)(p-5q)(p^2+5pq+25q^2)=p^3-125q^3
3)(2a-1)(4a^2+2a+1)=8a^3-1
4)(3+2b)(9-6b+4b^2)=27+8b^3