Q4 Prep 2 Algebra T2 Question Bank

a) Factorize the following expression completely: \[x^2 (x^2 - 19 y^2) + 25 y^4\]

\[(x^2 - 3xy - 5y^2)(x^2 + 3xy - 5y^2)\]

MR/Nasef.N

b) Multiple Choice: What is the complete factorization of \(x^2 (x^2 - 19 y^2) + 25 y^4\)?

\((x^2 - 3xy - 5y^2)(x^2 + 3xy - 5y^2)\) ✓ 😊

\((x^2 - 5y^2)(x^2 + 5y^2)\) ✗ 😞

\((x^2 - 19y^2)(x^2 + 25y^2)\) ✗ 😞

\((x - 5y)^2(x + 5y)^2\) ✗ 😞

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