rational expressions

Find the LCD of the following rational expression

5/(x+8) and 2x/(x-3)

• (x+8)(x-3)

• 8x(x+2)

• (x²+3x+24)

When adding and subtracting rational expressions, my first step should be to:

• Combine like terms in the numerators.
• Determine a Least Common Denominator.
• Factor all of the numerators and all of the denominators.
• Change the operator to multiplication and reciprocate the second fraction.

• A
• B
• C

• A
• B
• C

Find the least common denominator of the expression

• 18

• 6x

• 3xy

• 6xy

Simplify the expression.

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Simplify the expression.

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