Explanation:
hope it helps
Multiply the polynomials :-
x² ( 5x³ - 2x³ + 15)
→ x² ( 5x³ - 2x³ + 15)
→ x² × (3x³ + 15)
→ 3x² + 15x²
This can be further solved as :-
→ 18x²
18x²
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