Answer:
9x²-16y^4
Explanation:
(3x - 4y²) (3x + 4y²)
→ expand the expression
(3x²) - (4y²)
→ simplify the expression
3² × x² - 4² × (y²)²
→ calculate
9x² - 16(y²)²
→ simplify (use (a^m)^n = a^mn
9x² - 16x^4
Answer: 9x² - 16x^4
hope this helps!
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