![Radical -4 = 2i Radical -49 = 7i Radical -33 = 5.74i (3+2i)(5-6i) = 11-7i Examples Calculator -mode ,[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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- 4. Formula: X=-(b)^2-4(a)(c) ------------- 2(a) 3x^2+8x+12=0 A=3 B=8 C= 12 x=-(8)+/-radical (8)^2-4(3)(12) -8+/-radical -80 ---------------------------- ________________ 2(3) 6 Answer: -8+/- 8.94i ------------ 6 Quadratic Example