Aidez moi svp : M=(7√3-2)(√3+3) P=(√7+5)² R=(9-√3)²

M=(7√3-2)(√3+3)

m = 7(V3)² +21V3-2V3-6

m = 7(3) +19V3-6

m =21+19V3-6

m= 19V3+15

 P=(√7+5)²

p = (V7)² +2(V7x5) +5²

p =7 +10V7+25

p =10V7+32

R=(9-√3)²

r = 9² -2(9xV3) + (-V3)²

r = 81 -18V3+3

r = -18V3+84