What are the solutions of the equation x2 +4x+4=25?

a. x=3 or x=-7
b. x=-3 or x= -7
c. x=1 or x=9
d. x=1 or x=-9

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice