1)
1) (0,6-х)(0,36+0,6х+х^2)
2) (1+0.3y)(1-0.3xy+0.09y^2)
3) (k-pq)(k^2+kpq+p^2q^2)(k+pq)(k^2-kpq+p^2q^2)
4) (3a-b)(3a^2+b^2)
2)
1) 27-x^2
2) 1/8 y^3 -8 z^3
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Answers & Comments
1)
1) (0,6-х)(0,36+0,6х+х^2)
2) (1+0.3y)(1-0.3xy+0.09y^2)
3) (k-pq)(k^2+kpq+p^2q^2)(k+pq)(k^2-kpq+p^2q^2)
4) (3a-b)(3a^2+b^2)
2)
1) 27-x^2
2) 1/8 y^3 -8 z^3