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Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2 . (1 point) 2 square root of 8 8 square root of 2 8 square root of 6 6 square root of 8

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Which best explains why this triangle is or is not a right triangle?