Question

coefficient of x² in (2-3x²) (x²-5)​

Answer 1

Answer:

3 and 5

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Given :-

(2-3x²) (x²-5)

To find :-

Find the coefficient of x² ?

Solution :-

Given that

(2-3x²) (x²-5)

=> 2(x²-5) -3x²(x²-5)

=> [(2×x²)-(2×5)]-[(3x²×x²)+(3x²-5)]

=> (2x²-10)-(3x⁴-15x²)

=> 2x²-10-3x⁴+15x²

=> -3x⁴+(15x²+2x²)-10

=> -3x⁴+(15+2)x²-10

=> -3x⁴+17x²-10

The coefficient of x² = 17

Answer:-

The coefficient of x² for the given polynomial is 17