Question

varog repede dau coroana am nevoie acum macar un exercitiu

Answer 1

Răspuns:

7)

X2 = x la puterea 2

a) (x+2)(x+3) = x2+3x+2x+6 = x2+5x+6

b) x2-4x-x+4 = x2-5x+4

c) x2+4x-3x-12 = x2+x-12

d) x2-x+5x-5 = x2+4x-5

e) 6x2+4x+3x+2 = 6x2+7x+2

f) 20x2+8x-5x-2 = 20x2+3x-2

g) 3x-1-3x2-x = - 3x2+2x-1

h) 20x2-8x+5x-2 = 20x2-3x-2

Answer 2

Răspuns:

mult succes!!!!!!!!!!