Vocabulary
Sums and Differences
When combining like terms, add or subtract the coefficients, leaving the exponents the same.
(14-8i)+(6+6i)
20-2i
-2x3+14x-12+6x3-4
4x2+14x-16
13=lx-5l
x=18
x=-8
An expression with exactly two terms every single time.
(21-3i)-(18+6i)
3-9i
(8x2-2)+(3x2-6)
11x2-8
20=lx+7l
x=13
x=-27
Inequality
A statement that shows the relationship between two quantities that are not equal.
(2-2i)(4-4i)
16-16i
(10x-5)2
20x2-100x+25
8=l-2x+6l
x=-1
x=7
Conjugate
An expression formed by changing the sign between the terms of a binomial.
(-6+2i)2
32-24i
(4x-y)(8x-6y)
32x2-32xy+6y2
16=l-6x+8l
x=8/-6
x=4
Monomial
A polynomial with only one term, can be a single number, a variable, or a combination of numbers and variables multiplied together.
-3+9i/4i
3i+9/-4
(8x2-6x3-4x2)+2(x3+5x2+3)
44x2+2x3-6x+6
lx-3l≤13
-10≤x≤16