SOE Substitution
Solve the system of equations by the substitution method:
y = -2
3x - 5y = 10
(0, -2)
Solve the system of equations by the elimination method:
-3x + 3y = 12
8x - 3y = -2
(2, 6)
Simplify the exponential expression:
b-2b0
1/b2
Simplify the polynomial:
(a2 - 7a - 4a4) + (6a - 4a4 + 7)
-8a4 + a2 - a + 7
Factor the following polynomial:
3 - 9r
3(1 - 3r)
Solve the system of equations by the substitution method:
4x + 4y = 20
y = -8x - 9
(-2, 7)
Solve the system of equations by the elimination method:
-10x + 5y = -10
-10x + 3y = -30
(6, 10)
Simplify the exponential expression:
3v4 2u0
6v4
Simplify the polynomial:
(2v + 8 - 3v4) - (5v4 + 7 - 6v3)
-8v4 + 6v3 + 2v + 1
Factor the following polynomial:
16x - 12x2 - 40x4
4x(4 - 3x - 10x3)
Solve the system of equations by the substitution method:
y = -4x - 8
y = -6x - 8
(0, -8)
Solve the system of equations by the elimination method:
12x - 5y = -3
2x - 8y = -22
(1, 3)
Simplify the exponential expression:
(2uv0 2uv4)-4
1/256u8v16
Simplify the polynomial:
7x(5x2 - 7x + 3)
35x3 - 49x2 + 21x
Factor the following polynomial:
35x7 + 50x5 + 5x3 - 45
5(7x7 + 10x5 + x3 - 9)
Solve the system of equations by the substitution method:
-3x - 8y = -8
2x + y = -12
(-8, 4)
Solve the system of equations by the elimination method:
6x - y = 17
12x - 10y = 26
(3, 1)
Simplify the exponential expression:
x0x-1/(x2)0
1/x
Simplify the polynomial:
(2x - 1)(6x + 3)
12x2 - 3
Factor the following polynomial:
x2 - 3x - 10 = 0
x = -2, x = 5
Solve the system of equations by the substitution method:
x - 2y = 17
-4x - 6y = 2
(7, -5)
Solve the system of equations by the elimination method:
9x - 4y = -24
7x - 5y = -13
(-4, -3)
Simplify the exponential expression:
(2xy2)-1 2x3y3/2x-3y0
x5y/2
Simplify the polynomial:
(8b - 2)(2b2 + 6b + 3)
16b3 + 44b2 + 12b - 6
Factor the following polynomial:
x2 = 40 - 3x
x = -8, x = 5