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Factor 72 y+108 z to identify the equivalent expressions.
Choose 2 answers:
(A) 9(7y+12 z)
(B) 36(2y+3z)
(C) 6(18 y+12 z)
(D) 12(6y+9z)

Factor 72y+108z72y+108z to identify the equivalent expressions.\newlineChoose 22 answers:\newline(A) 9(7y+12z)9(7y+12z)\newline(B) 36(2y+3z)36(2y+3z)\newline(C) 6(18y+12z)6(18y+12z)\newline(D) 12(6y+9z)12(6y+9z)

Full solution

Q. Factor 72y+108z72y+108z to identify the equivalent expressions.\newlineChoose 22 answers:\newline(A) 9(7y+12z)9(7y+12z)\newline(B) 36(2y+3z)36(2y+3z)\newline(C) 6(18y+12z)6(18y+12z)\newline(D) 12(6y+9z)12(6y+9z)
  1. Identify GCF: Step Title: Identify the Greatest Common Factor (GCF)\newlineConcise Step Description: Determine the greatest common factor of the terms in the expression.\newlineStep Calculation: The GCF of 72y72y and 108z108z is 3636, since 3636 is the largest number that divides both 7272 and 108108.
  2. Factor Out GCF: Step Title: Factor Out the GCF\newlineConcise Step Description: Factor out the GCF from the expression.\newlineStep Calculation: Factoring out 3636 from 72y72y gives 36×2y36 \times 2y, and factoring out 3636 from 108z108z gives 36×3z36 \times 3z. So, the factored expression is 36(2y+3z)36(2y + 3z).
  3. Verify Factored Expression: Step Title: Verify the Factored Expression\newlineConcise Step Description: Check if the factored expression is equivalent to the original expression.\newlineStep Calculation: Multiplying the factored expression 36(2y+3z)36(2y + 3z) gives 36×2y+36×3z36 \times 2y + 36 \times 3z, which simplifies to 72y+108z72y + 108z, the original expression.
  4. Compare with Answer Choices: Step Title: Compare with the Answer Choices\newlineConcise Step Description: Compare the factored expression with the given answer choices.\newlineStep Calculation: The factored expression 36(2y+3z)36(2y + 3z) matches with choice B. To check for another equivalent expression, we can look for a factor of 3636 that is also a factor of the coefficients in the expression 2y+3z2y + 3z. Since 99 is a factor of 3636, we can rewrite the expression as 9(8y+12z)9(8y + 12z), which simplifies to 9(8×y+12×z)9(8 \times y + 12 \times z). However, this does not match the original coefficients of 2y2y and 3z3z, so there is no other equivalent expression among the choices.