When the first term is not x2, see if you can factor out the
coefficient of x2 If you can,
then you are left with a quadratic whose first term is x2. For
example each term in 2x2 + 16x – 18 is divisible by 2:
Adding/Subtracting Fractions
When adding fractions
with variables in one or more denominators, the LCD will have each variable (or
algebraic expression) to its highest power as a factor. For example, the LCD
for .
Alfi Blog Januari 21, 2026 Admin Bandung Indonesia
These properties also work with algebraic expressions.
Alfi Blog Januari 20, 2026 Admin Bandung IndonesiaExponents and Roots
The expression 4x is shorthand for x + x + x + x, that is x added to itself four times. Likewise x4 is shorthand for x · x · x · x—x multiplied by itself four times. In x4, x is called the base and 4 is the power or exponent. We say ‘‘x to the fourth power’’ or simply ‘‘x to the fourth.’’ There are many useful exponent properties. For the rest of the chapter, a is a nonzero number.
Alfi Blog Januari 19, 2026 Admin Bandung IndonesiaExponents and Roots
Exponents and Roots
The expression 4x is shorthand for x + x + x + x, that is x added to itself four times. Likewise x4 is shorthand for x · x · x · x—x multiplied by itself four times. In x4, x is called the base and 4 is the power or exponent. We say ‘‘x to the fourth power’’ or simply ‘‘x to the fourth.’’ There are many useful exponent properties. For the rest of the chapter, a is a nonzero number.