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vrite Equivalent Expressions Quick Review When you factor an expression, you write it as a product of two expressions. The new expression is equivalent to the original expression. The greatest common factor (GCF) and the Distributive Property are tools that you use when you need to factor an expression. Example Factor the expression \( 12 x-9 y+15 \) The GCF of \( 12 x, 15 \), and \( -9 y \) is 3 . Rewrite each term using 3 as a factor. \[ \begin{array}{l} 12 x=3 \cdot 4 x \\ -9 y=3 \cdot(-3 y) \\ 15=3 \cdot 5 \end{array} \] se the Distributive Property to factor the xpression. Practice Factor each expression. 1. \( 63 a-42 b \) 2. \( \frac{1}{2} y-5 \frac{1}{2} \) 3. Which expressions are equivalent to \( t(-7.4 s+3.8-4.5)-t \) ? Select all that apply. \( -7.4 s t-1.7 t \) \( t(-3.6 s-4.5)-t \) \( t(3.8 s-7.4-4.5)+10.2 t \) \( t(-7.4 s-0.7)-t \) \( t(-7.4 s+3.8)-5.5 t \) \[ (4 x-3 y+5) \]

Ask by Schneider Patel. in the United States
Jan 24,2025

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1. \( 63 a - 42 b = 21(3 a - 2 b) \) 2. \( \frac{1}{2} y - 5 \frac{1}{2} = \frac{1}{2}(y - 11) \) 3. Las expresiones equivalentes son: \( -7.4 s t - 1.7 t \) y \( t(-7.4 s - 0.7) - t \)

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Mind Expander

When you factor expressions, you're essentially uncovering hidden relationships between numbers and variables! It's like a treasure hunt for mathematicians. For example, with \( 63a - 42b \), the GCF is \( 21 \). This means you can factor it out to get \( 21(3a - 2b) \). Spotting that GCF is your magic key! Now let's talk about those expressions involving \( t \). Once you distribute or factor the term, you might stumble upon several equivalent versions. For instance, simplifying \( t(-7.4s + 3.8 - 4.5) - t \) can lead to multiple forms! Remember, each version stems from clever distribution or reorganization, so check each one carefully to see which fall in line with your factoring adventures!

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