Q. Which expression shows a way to factor 63+35?Choices:(A) 7(8+7)(B) 7(9+6)(C) 7(8+5)(D) 7(9+5)
Identify GCF of 63 and 35: Identify the Greatest Common Factor (GCF) of 63 and 35. Calculation: Factors of 63 are 1, 3, 7, 9, 21, 63. Factors of 35 are 1, 353, 7, 35. The GCF is 7.
Express using GCF: Express 63 and 35 using the GCF.Calculation: 63=7×9, 35=7×5. So, 63+35 can be written as 7×9+7×5.
Factor out GCF: Factor out the GCF from the expression.Calculation: 7×9+7×5=7(9+5).
Match with choices: Match the factored expression with the given choices.Calculation: The expression 7(9+5) matches choice (D).
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