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Verified answer
-2x^2+13x-15 = 0(-2x+3)(x-5) = 0
x1 = 3/2
x2 = 5
x1^2+x2^2
= (3/2)^2+(5)^2
= 9/4 + 25
= 9+100/4
= 109/4
= 27 1/4, B