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Factor completely:

4w^(12)-11w^(6)t^(2)+7t^(4)
Answer:

Factor completely:\newline4w1211w6t2+7t4 4 w^{12}-11 w^{6} t^{2}+7 t^{4} \newlineAnswer:

Full solution

Q. Factor completely:\newline4w1211w6t2+7t4 4 w^{12}-11 w^{6} t^{2}+7 t^{4} \newlineAnswer:
  1. Identify Structure of Polynomial: Identify the structure of the polynomial. The given polynomial is a trinomial in the form of aw2+bw+ca w^2 + b w + c, where the variable ww is replaced by w6w^6 and the variable cc is replaced by t2t^2.
  2. Look for Common Factor: Look for a common factor in all three terms.\newlineThere is no common factor in all three terms, so we proceed to factor by grouping or other methods suitable for trinomials.
  3. Use Substitution to Simplify: Since the polynomial does not factor easily by grouping or simple trinomial factoring methods, we can try to use substitution to simplify the expression.\newlineLet's substitute u=w6u = w^6, then the polynomial becomes 4u211ut+7t24u^2 - 11ut + 7t^2.
  4. Factor Quadratic in Terms: Factor the quadratic in terms of uu and tt. We are looking for two numbers that multiply to (4)(7t2)=28t2(4)(7t^2) = 28t^2 and add up to 11t-11t. These numbers are 4t-4t and 7t-7t.
  5. Write as Product of Binomials: Write the polynomial as a product of two binomials using the numbers found in Step 44.\newline4u211ut+7t2=(4u7t)(ut)4u^2 - 11ut + 7t^2 = (4u - 7t)(u - t)
  6. Substitute Back for Factorization: Substitute back w6w^6 for uu to get the factorization in terms of ww and tt. \newline(4u7t)(ut)(4u - 7t)(u - t) becomes (4w67t)(w6t)(4w^6 - 7t)(w^6 - t).
  7. Check Factorization by Expanding: Check the factorization by expanding the factors to see if we get the original polynomial.\newline(4w67t)(w6t)=4w124w6t7tw6+7t2=4w1211w6t+7t2(4w^6 - 7t)(w^6 - t) = 4w^{12} - 4w^6t - 7tw^6 + 7t^2 = 4w^{12} - 11w^6t + 7t^2

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