+/- poly
(4+x)-(4-x)
2x
(y-2)(y+2)
y2-4
You worked 5x+8 hours this week, and earn x-3 dollars per hour. Write an expression to represent how much you earned this week.
5x2-7x-24
(2+h)-(-2+h)
4
(c-3)2+9
c2-6c + 18
You worked 5x+8 hours this week, and earn x-3 dollars per hour. Write an expression to represent how much you earned this week.
If x = 10, how much did you make in dollars?
$406
2x2+7x-(x2+6x)
x2+x
4x2(3x+8)
12x3+32x2
The length of a rectangular fence is 2x2+3x+1, and the width is 8x+1. Find the perimeter of the fence.
4x2+22x+4
(3x-1) + (x +2)
4x+1
-x4y8(-7x3y)
7x7y9
(x-1)2 is equivalent to....
x2-2x+1
2find the missing coefficient
(2x-3)(4x-5)= 8x2 + ?x+15
-22