Question

Find the coefficient of x2 in the product (3x2-5) (4+4x2)

Answer 1

Answer:

12

Step-by-step explanation:

(3x²-5)(4+4x²)

⇒ 3×4=12

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Answer 2

Answer:

coefficient of

${x}^{2} = - 8$

Step-by-step explanation:

$({3x}^{2} - 5)(4 + {4x}^{2} )$

$= {12x}^{2} + {12x}^{4} - 20 - {20x}^{2}$

$= {12x}^{4} - {8x}^{2} - 20$