Algebra-1

( −x² + 3)(2x⁴ − 5x²)

Expanding the expression:

= (−x²)(2x⁴) + (−x²)(−5x²) + (3)(2x⁴) + (3)(−5x²)

= −2x⁶ + 5x⁴ + 6x⁴ − 15x²

Now, let's combine like terms:

= −2x⁶ + (5x⁴ + 6x⁴) − 15x²

= −2x⁶ + 1...