Question

13 Efectuați: 3a" 1 5 4a a-16 a 2 a-2 a +4 5 11 1 a C 2x -6x 3x-12xx-7x+12 3+ y² - 2x² 3 12x(x+8) 1 2x-y x+y x²-xy+y² x² + xy + y² x²-xy + y² + x²-y' x² + y² x²+2x-5x+1 2x-3 1 3x+7 2 (x-4) (-9) X-4 X-9 (x-2)(x+3) (x-2)(x²-9) B, 11, 12 12x(x+8)(4x-9) 5 X-Y² 1 7x-1 x²-x-1 + 4x²-9 (x+8)(4x² -9) 12x(x+8) (2x-3)
Urgeent,dau coroana​

Answer 1

Răspuns:

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