Math Riddles
Because X was always 10.
(x + 7)(x + 4)
X2 + 11x + 28
81 - r2
(9+r) (9-r)
x2 + 17x + 42 = 0
(x=-14) (x=-3)
(4y + 5) + (-7y - 1)
-3y + 4
Two fathers and two sons sat down to eat eggs for breakfast. They ate exactly three eggs, each person had an egg. How is that possible?
riddle was by the www.onlinemathlearning.com
One of the father is also a grandfather.
(4b + 6)(b - 4)
4b2 - 10b - 24
144 - 9f2
9(4+f) (4-f)
k2 + 3k - 54 = 0
(k=-9) (k=6)
(4k2 + 8k + 2) - (2k + 3)
4k2 + 6k - 1
(4g + 3h)(2g + 3h)
8g2 +18gh+9h2
32t2 - 18u2
2(4t+3u) (4t-3u)
n2 + 4n = 32
(n=-8) (=4)
(w2 - 4w - 1) + (-5 + 5w2 - 3w)
6w2 + -7w + -6
I add five to nine, and get two. The answer is correct, but how?
Hint has to do with time.
Riddle is by plentifun.com
When it is 9am, add 5 hours to it and you will get 2pm.
(3q + 2)(9q2 - 12q + 4)
27q3 + 18q2 + 12q + 8
45q3 - 20q
5q(3q+2) (3q-2)
t2 - 26t = 56
(t=28)(t=-2)
(-x2 + 3x) - (5x + 2x2 )
-3x2 + -2x
What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1,000?
Riddle is by plentifun.com
100
(2x2 - 2x - 3)(2x2 - 4x + 3)
4x4 - 12x3 + 8x2 + 6x - 9
32 - 162k2 = 0
k=4/9 k=-4/9
z2 - 14z = 72
(z=18) (z=-4)
(-4p2 - p + 9) + ( p2 + 3p - 1)
-3p2 + 2p + 8