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Find the square. Simplify your answer.\newline(3q3)2(3q - 3)^2

Full solution

Q. Find the square. Simplify your answer.\newline(3q3)2(3q - 3)^2
  1. Recognize special case: We are asked to find the square of the binomial (3q3)(3q - 3). The first step is to recognize that this is a special case of the algebraic identity (ab)2(a - b)^2, which expands to a22ab+b2a^2 - 2ab + b^2.
  2. Identify values of aa and bb: Identify the values of aa and bb in the binomial (3q3)(3q - 3). By comparing it to the general form (ab)2(a - b)^2, we can see that a=3qa = 3q and b=3b = 3.
  3. Apply algebraic identity: Apply the algebraic identity (ab)2=a22ab+b2(a - b)^2 = a^2 - 2ab + b^2 to the binomial (3q3)(3q - 3).(3q3)2=(3q)22(3q)(3)+(3)2(3q - 3)^2 = (3q)^2 - 2(3q)(3) + (3)^2
  4. Simplify each term: Simplify each term in the expression (3q)22(3q)(3)+(3)2.(3q)^2 - 2(3q)(3) + (3)^2.(3q)2=9q2(3q)^2 = 9q^2 (since (3q)×(3q)=9q2(3q) \times (3q) = 9q^2)2(3q)(3)=18q2(3q)(3) = 18q (since 2×3q×3=18q2 \times 3q \times 3 = 18q)(3)2=9(3)^2 = 9 (since 3×3=93 \times 3 = 9)
  5. Combine simplified terms: Combine the simplified terms to get the final expanded and simplified form of the square of the binomial (3q3)(3q - 3).(3q3)2=9q218q+9(3q - 3)^2 = 9q^2 - 18q + 9

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