This math exam contains the following problems: 1) Simplifying algebraic expressions such as (6x4 + 8x3 + 5 - 2x) + (3x2 - 7x3 + 8x) 2) Solving equations such as -2x^2 + 3x + (-4) + (-5x^2) = -7x^2 + 3x - 4 3) Combining like terms in expressions like (5x^5 + 4x^2 + 6x - 5) + (2x^4 - 3x^2 + 6x + 4)

1. ESCUELA GENERAL PROF. “RAFAEL RAMIREZ CASTAÑEDA”
EXAMEN
Integrantes del equipo: Grado: Grupo:
(6x4 + 8x3 + 5 – 2x) + (3x2 – 7x3 + 8x)=
(9x2 + 7x5 – 3x + 2) - (7x3 – 6x5 + 3)=
-7y – (-4y) 2x – ( 4x) x5+y+z
0
2 + 3 a2 + 5b + 8 a2 – 3b + 9=
13x5-7x3+9x2-3x+5
6x4+x3+3x2+6x+5
4x + (2x) + (7y) + 7 x
11 a2 + 2b + 11
2x2 + y
11x2 – 4t - 2 -x + y – z + (x –y + z)=
(3x3- 2x4 + 5x - 8) + (2x4 – 3x + 6x3 + 4)= 6 a- 2b
9x3+2x-4 (3 a –b) – (-3 a + b)=
5x2 + 8t -9 + (6x2 – 12t + 7)=
0
-3mn + (-8xy) + (-4mn) + 4xy =
(7x5 –3x2 +8) +( 5x3 – 6x2 + 7)=
2h + 3y + 5h + 2y + (-3j)
7x5+5x3-9x2+15
7h + 5y – 3j
-7mn – 4xy
m+n
0
===
(5x5 + 4x2 + 6x - 5) + (2x4 - 3x2 + 6x + 4)= (6x4 + 8x3 + 5 – 2x) - (3x2 – 7x3 + 8x) =
= -2x2 + 3x + (-4) + (-5x2) = = 5x5 + 8x3 – 11x2+ 5x +2
-7x2 + 3x - 4 (5x5 +3x – 6x2 + 6) + (2x –5x2 +8x3 –4)= 6x4 +15x3 -3x2 – 10x + 5
(3x3- 2x4 + 5x - 8) - (2x4 – 3x + 6x3 + 4) =
5x5+2x4+x2+12x-1
(7x5 –3x2 +8) - (5x3 – 6x2 + 7)=
3x + 7y – (-4x – 9y) – (x + y)=
7x5 – 5x3 + 3x2 + 1
2x + 4y – 5x + 8y
8x3 – 4x + 5y2
-4x4-3x3+8x-12
6x + 15 y
(m 2 + 2m2 – m) – (2m2 - m)= 8a + (-5b) + (-8b) + 4ª= (3x + 2y) – (4x-6y)= 5x5- 8x3-x2 + x +10
(5x5 +3x – 6x2 + 6) - (2x –5x2 +8x3 –4)=
(5x5 + 4x2 + 6x - 5) - (2x4 - 3x2 + 6x + 4) =
12 a – 13 b -x + 8y
(9x2 + 7x5 – 3x + 2) + (7x3 – 6x5 + 3) =
m2
(4x3y + 2y) – (4x3 y – 2y) =
x5 + 7x3 + 9x2 – 3x + 5
5x5 -2x4 + x2 +12x -1
y + x – 4x + y
4y
x2 m+n 2x + y – 3x2 7m + n – 3m + 6n