Упростите выражения: а) (8х²- 8х + 5)

June 2022 1 4 Report

Упростите выражения:
а) (8х²- 8х + 5) - (6х²-2)
б) 4у² (3y-y⁵)

Answers & Comments

sebrithien

$(8 {x}^{2} - 8x + 5) - (6 {x}^{2} - 2) = 8 {x}^{2} - 8x + 5 - 6 {x}^{2} + 2 = 2 {x}^{2} - 8x + 7 \\ 4 {y}^{2} (3y - {y}^{5)} = 12 {y}^{3} - 4 {y}^{7}$

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