X = ± X2 = 49 b =± 2b2 = 32 c =± 3c2 + 6 = 33 X2 X2 = ± - 8 = 56 d = ± 4d2 + 25 = 125 X = ± X2 - 12 = 69 a = ± a2 + 10 = 110 X = ± 8x2 - 32 = 0 X = ± X2 = 144 b = ± 2b2 - 16 = 56 4x2 +5 = 29
x = ± (3x - 2)2 = 36 x = x = |