Предмет: Алгебра, автор: Настя02112003

. Упростите выражение: (5х2 + 8х - 7) – (2х2 – 2х - 12)
1) 3х2 + 6х -19 2) 3х2 + 10х + 5 3) 3х2 + 10х -19 4) 3х2 + 6х +5

Ответы

Автор ответа: sedinalana

0

5x²+8x-7-2x²+2x+12=3x²+10x+5
Ответ 2

Автор ответа: N1ckk

0

5х²+8х-7-2х²+2х+12 = 3х²+10х+5
Ответ: 2.

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