All the sides add like a rectangle with two sides measuring 4 and two measuring 2 so you would add 4+4+2+2=12
There are 6 possibilities.
Rhino, elephant, lion
rhino, lion, elephant
elephant, lion, rhino
elephant, rhino, lion
Lion, rhino, elephant
lion, elephant, rhino
<span>So, L*W=A Because it is 4 cm longer, L=W+4 Because the area is 96, LW=96 Substitute to get W(W+4)=96 Multiply it out. W^2+4W-96=0 By solving the quadratic, W+12(W-8)=0 so either W+12 or W-8 is zero. The width must be positive, so the width is 8. Therefore the length is 12.
Hope this helps.</span>
The answer is
![3 {x}^{2} - 19x - 14](https://tex.z-dn.net/?f=3%20%7Bx%7D%5E%7B2%7D%20%20-%2019x%20-%2014)
first you must multiply or use the FOIL method (First, Outer, Inner, Last)
First you multiply the first terms
![(3x)(x)](https://tex.z-dn.net/?f=%283x%29%28x%29)
this gives you 3x^2, then you multiple the outer terms
![( - 7)(3x)](https://tex.z-dn.net/?f=%20%28%20-%207%29%283x%29)
this gives you -21x, then you multiply the inner terms
![(2)(x)](https://tex.z-dn.net/?f=%282%29%28x%29)
that gives you 2x, finally you multiply the last terms
![(2)( - 7)](https://tex.z-dn.net/?f=%282%29%28%20-%207%29)
that gives you 14, now you combine like terms
![- 21x + 2x = - 19x](https://tex.z-dn.net/?f=%20-%2021x%20%2B%202x%20%3D%20%20-%2019x)
now you put all the terms together and end up with your solution
Answer:
Step-by-step explanation:
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