Exercice 4 (formes canoniques)
1) x²+4x+5 = (x+2)² +...........
2) x²+6x+7= (x+3)²
3) x²-8x = (x-4)²-..
4) x²-10x+24 = (x-5)²
5) x²+2x+2 = (..........)²
6) x²-14x = (...….......)²
7) x²-6x+5 = (..........)²
8) x²-12x+5 = (..........)²
9) x²+10x+29= (..........)²
10) 2x²+8x = 2(x + 2)² -
11) 6x²+36x-1 = 6(x + ....)² -
12) -x²+8x-15 = ..............²..
13) -2x²+8x+3 = ..............) ².
14) -2x²-4x+3 = ................…........
15) 0,5x²+16x-2 =.....…...…............….....
16) 2x²-12x-7 = ...............) ²........
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