4 Descompuneți în factori:
a) x² +7x+12;
cr+5x+4,
e) x² +10x+21;
g) x² + 13x+36;
i) x²-10x+16;
k) x²-10x+9,
m) x²-12x+11;
o)x²-13x+40;
q) x² +9x-10,
s)x² +8x-33;
u) x²-4x-5;
xỉ-5-36,
b) x² +7x+6,
d) x² + 12x+20,
f)x² +11x+28;
h) x² + 12x+32;
j) x²-10x+24;
1)x²-7x+10,
n) x²-11x+24;
p) x²-11x+30;
r) x² +6x-16,
1) x² +7x-30,
v) x²-6x-27; o
y)x²-7x-18


Va rog ajutați ma cu exercițiul 4,e urgent,dau coroana

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