If: A(x)= x4-3x2+x+2 B(x)= 2x2+3x C(x)= 2x3+3x2+4x-3.
Calcule: a) A(x) − [B(x) + C(x)]= b) A(x) · B(x)=

2- Divide:
a) (x4-13x2+36) : (x-3) = b) (x4-5x3+3x-9) : (x+2)=

3- Factorize
a) A(x)= x2- 8x+16 b) B(x)= x4- 1

solve: √x − 9 + 1 = √x − 2

solve: 4x4-5x2+1=0

solve: x=2·y
x + y = 45

The perimeter of a rectangle measures 42 cm and the diagonal is 15 cm. Find the area of the rectangle.

A rectangular plot has an area of 37500 m2, if the base measures 100 m
more than the height, what are the dimensions of the plot?

Select the lengths in centimeters that would form a right triangle

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?