Factor
3n2+13n+12
(3n+4)(n+3)
m2+2m-3=0
x=1 or x=-3
n2+7n+14=2
n=-4 or n=-3
Factor 16x2-81
(4x-9)(4x+9)
Simplify
(2x2-3x-12)+(-5x2+6x+5)
-3x2+3x-7
4v2-23v+15
(4v-3)(v-5)
3n2-13n+4=0
n=1/3 or n=4
5p2-9p+1=-3
p=4/5 or p=1
Solve 4v2-1=0
v=-1/2 or v=1/2
Simplify
(7x2-3x-1)-(2x2+6x+5)
5x2-9x-6
3b2-11b-4
(3b+1)(b-4)
10x2+x-3=0
x=1/2 or x=-3/5
3x2+5x=2
x=1/3 or x=-2
Factor 100x2-60x+9
(10x-3)2
Simplify
(x2-x-1)-(-x2+x-1)
2x2-2x
v2-7v+6
(v-1)(v-6)
3a2-19a+20=0
a=4/3 or a=5
15m2-2=-m
m=-2/5 or m=1/3
Factor 12x3-30x2
6x2(2x-5)
Simplify
(x2-x-1)(-x2+x-1)
-x4+2x3-x2+1
x2-x-12
(x-4)(x+3)
Jenna hit a softball into the air with an initial upward velocity of 48 feet per second. The height h in feet of the ball above the ground can be modeled by h=-16t2+48t+2 where x is the time in seconds after Jenna hit the softball. Find the time it takes the ball to reach 38 feet above the ground.
1.5 seconds
The area of a rectangular room is 160 square feet. The length is 6 feet longer than the width w. Find the dimensions of the room.
Solve 3r2+5r=0
r=-5/3 or r=0
Simplify
x(-x2+x-1)-x(1-x+x2)
-2x3+2x2-2x