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X²-8x-1280 middle term splitting |
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Answer» 1x^2+(−8)x+(−1,280)=0By Q.F--(-b ± √b² -4ac)÷2a(8 ± √64² +1280)÷2X1=(8+72)÷2=40X2=(8-72)÷2=-32 Heck |
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