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Multiplying algebraic fractions

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Intros
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Lessons
  1. Review: Multiplying Monomials
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Examples
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Lessons
  1. Simplifying Rational Expressions Involving Multiplication
    State the non-permissible values, then simplify:
    5x2y3x2y2×9z3x4y215y3z2\frac{5x^2y^3}{x^2y^2} \times \frac{9z^3x^4y^2}{15y^3z^2}
  2. Multiplying Rational Expressions in Factored Form
    State the non-permissible values, then simplify:
    (x+2)(x−12)(x+4)×2(x+4)x(x+2)\frac{(x+2)}{(x-12)(x+4)} \times \frac{2(x+4)}{x(x+2)}
  3. Convert Expressions to Factored Form, then multiply
    State the non-permissible values, then simplify:
    1. 5x2−15x30x2−10x×3x2+8x−3(x2−9) \frac{5x^2-15x}{30x^2-10x} \times \frac{3x^2+8x-3}{(x^2-9)}
    2. 5x+208x−4×10x−5(4+x)2 \frac{5x+20}{8x-4} \times \frac{10x-5}{(4+x)^2}
    3. (x2+9x+8)(49x3−x)(7x2+55x−8)(x2+x) \frac{(x^2+9x+8)(49x^3-x)}{(7x^2+55x-8)(x^2+x)}