Adding Polys
(x+7)+(x-3)
2x+4
(5x+10)-(2x+3)
3x+7
(x+2)(x+7)
x2+9x+14
Find the perimeter of a triangle with the following dimensions
Side A: x+8
Side B: 2x-4
Side C: 12x+3
15x+7
What is our shortcut rule when subtracting polynomials?
Keep, change, change
(2x-4)+(3x+9)
5x+5
(12x-8)-(3x+5)
9x-13
(2x+4)(4x+2)
8x2+12x+8
Find the perimeter of a rectangle with a length of (x-2) and a width of (x+12)
4x+20
When multiplying, you multiply _______ and add ______.
bases (big numbers), exponents
(-5x-9)+(8x+12)
3x+3
(-4x-4)-(-4x-4)
0
(3x-4)(4x2-6x+3)
12x3-34x2+33x-12
Find the area of a football field measuring (2x-4) by (4x+12).
8x2+8x-48
To be a like term you must have the same _____ and the same _____
variable, exponent
(3x2-2x+4)+(4x2+8x-10)
7x2+6x-6
(8x2+9x-5)-(3x2-3x+2)
5x2+12x-7
(-5x-2)(-4x2+3x+6)
20x3-7x2-36x-12
Find the volume of a rectangular prism with the lengths: (x+3)(x-7)(2x+1)
2x3-7x2-46x-21
When completing your box you must always combine _____ ______.
like terms
(-8x2+13x-18)+(3x2-23x+28)
-5x2-10x+10
(-122-4x+3)-(-4x2-13x-19)
-8x2+9x+22
(3x2-7x-3)(4x2+2x-1)
12x4-22x3-29x2+x+3
A triangle has a perimeter of 3x2+4x+10. Two sides are given: (x2+8x+2) and (x2-7x+2). Find the length of the third side.
x2+3x+6
What type of application problem do you have to make two boxes for?