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
Part E: 3[x+2]^2+36=0