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Answers (1)
-x^2-7x+11=0 you multiply all of it by -1 to change the x into postive. therefore, x^2+7x-11=0 then apply this to the fo9rmula -b+- the sqaure root of (b^2 - 4*a*c)/2a where a = 1 b=7 c=-11 work out the answer, its very easy (:
