Q. Which expression shows a way to factor 36+20?Choices:(A) 2(18+11)(B) 4(8+5)(C) 2(16+10)(D) 4(9+5)
Identify GCF Factors: Identify the Greatest Common Factor (GCF) of 36 and 20. To find the GCF, list the factors of each number: Factors of 36: 1, 2, 3, 4, 6, 9, 12, 200, 36. Factors of 20: 1, 2, 4, 206, 207, 20. The highest common factor is 4.
Factor Out GCF: Factor out the GCF from the expression 36+20. Using the GCF of 4, we write: 36+20=4(9)+4(5)=4(9+5).
Match Factored Expression: Match the factored expression with the given choices.The expression 4(9+5) matches with choice (D).
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