Use the discriminant to determine if the following quadratic equations have complex or real solution(s). If an equation has real solution(s), determine the solution(s).

Part A: 4x^2-3x-10=0

Part B: x^2-14x+49=0

Part C: g(x)=x^2-8x-20

Part D: h(x)=x^2-9x+36

PartE: 3(x+2)^2+26=0