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Factor completely:

k^(4)+10k^(2)p^(4)+21p^(8)
Answer:

Factor completely:\newlinek4+10k2p4+21p8 k^{4}+10 k^{2} p^{4}+21 p^{8} \newlineAnswer:

Full solution

Q. Factor completely:\newlinek4+10k2p4+21p8 k^{4}+10 k^{2} p^{4}+21 p^{8} \newlineAnswer:
  1. Recognize Structure: Recognize the structure of the expression. The given expression k4+10k2p4+21p8k^{4}+10k^{2}p^{4}+21p^{8} resembles a quadratic in form, where k2k^{2} plays the role of 'xx' and p4p^{4} plays the role of 'yy'. So, we can think of this as factoring a quadratic trinomial of the form x2+bx+cx^2 + bx + c.
  2. Find Factors: Look for factors of the constant term that add up to the coefficient of the middle term.\newlineWe need to find two numbers that multiply to 21p821p^{8} and add up to 10k210k^{2}. The numbers that satisfy this are 3p43p^{4} and 7p47p^{4} because 3p4×7p4=21p83p^{4} \times 7p^{4} = 21p^{8} and 3p4+7p4=10p43p^{4} + 7p^{4} = 10p^{4}.
  3. Write Trinomial: Write the expression as a quadratic trinomial and factor it.\newlineWe can rewrite the expression as (k2+3p4)(k2+7p4)(k^{2} + 3p^{4})(k^{2} + 7p^{4}) by grouping the terms that we found in the previous step.
  4. Check Factored Form: Check the factored form by expanding it to ensure it matches the original expression.\newlineExpanding (k2+3p4)(k2+7p4)(k^{2} + 3p^{4})(k^{2} + 7p^{4}), we get k4+3p4k2+7p4k2+21p8k^{4} + 3p^{4}k^{2} + 7p^{4}k^{2} + 21p^{8}, which simplifies to k4+10k2p4+21p8k^{4} + 10k^{2}p^{4} + 21p^{8}, matching the original expression.
  5. Write Final Answer: Write the final answer.\newlineThe complete factorization of the expression k4+10k2p4+21p8k^{4}+10k^{2}p^{4}+21p^{8} is (k2+3p4)(k2+7p4)(k^{2} + 3p^{4})(k^{2} + 7p^{4}).

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