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Factor.\newline25f2+40f+1625f^2 + 40f + 16

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Q. Factor.\newline25f2+40f+1625f^2 + 40f + 16
  1. Identify Form: Identify the form of the quadratic trinomial.\newlineThe given expression 25f2+40f+1625f^2 + 40f + 16 is a quadratic trinomial in the form of af2+bf+caf^2 + bf + c.
  2. Perfect Square Trinomial: Look for a perfect square trinomial.\newlineA perfect square trinomial is in the form (af+b)2=af2+2abf+b2(a f + b)^2 = a f^2 + 2 a b f + b^2. We need to check if the given trinomial fits this pattern.
  3. Rewrite 25f225f^2: Rewrite 25f225f^2 in the form of (af)2(af)^2.\newlineSince 52=255^2 = 25, we can write 25f225f^2 as (5f)2(5f)^2.
  4. Rewrite 1616: Rewrite 1616 in the form of b2b^2.\newlineSince 42=164^2 = 16, we can write 1616 as 424^2.
  5. Determine aa and bb: Determine the values of aa and bb.\newlineFrom the previous steps, we have:\newlinea=5fa = 5f\newlineb=4b = 4
  6. Check Middle Term: Check if the middle term fits the pattern 2abf2abf. Calculate 2ab2ab to see if it equals the coefficient of the middle term (4040). 2×5f×4=40f2 \times 5f \times 4 = 40f The middle term of the given trinomial is indeed 40f40f, which matches 2abf2abf.
  7. Write Factored Form: Write the factored form of the expression 25f2+40f+1625f^2 + 40f + 16. Since the trinomial fits the pattern of a perfect square, we can write it as (af+b)2(af + b)^2. The factored form is (5f+4)2(5f + 4)^2.