Factoring
x^2-7x=0
x = 0, 7
2x^2-2x-4=0
x = -1, 2
(-3+8i)-(1+8i)
-4
x^2=81
x=+-9
How many school days do I have left until I leave for maternity leave?
22 (including today)
x^2-6x+9=0
x = 3
x^2+11x+10=0
x = -1, -10
-5i(-2-i)
-5+10i
64x^2-2=79
x = +- 9/8
What's my favorite snack?
Nutella cookies
x^2+18x+80=0
x = -8, -10
2x^2+8x-64
x = 4, -8
(7+i)(4+3i)
25+25i
x^2-36=0
x = +-6
Who is coming over to my house this weekend?
My sister, brother-in-law, mother and father in-law.
x^2+12x+27=0
x = -3, -9
6x^2-11x-10=0
x = 5/2, -2/3
-4/(7i)
(4i)/7
-7+49x^2=-3
x = +-2/7
Where am I going for Christmas break?
My house (nowhere)
2x^2+11x-6=0
x = -6, 1/2
3x^2+9x+10=0
x = (-9 +- isqrt(39))/6
10/(6+2i
(3-i)/2
5x^2=-90
x = +-3isqrt(2)
How many candles did I sell last weekend?
38.