exam Maths Puzzle Numerical Ability

Solve by completing the square:
x^2 + 6x + 1 = 0

Read Solution (Total 0)

exam Other Question

Calculate the probability of drawing four cards out of a standard deck.

P(4 of a kind)
P(All the same suit)
P(All the same #)

Thanks So much! Simplify: 2a -10/a - 5