3 years ago

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Mathematics

1 answer:

Arada [10]3 years ago

8 0

(2x² + 3)(4x +5) -8x(x²-2)

2x²(4x + 5) + 3(4x + 5) - 8x(x² - 2)

8x³ + 10x² + 12x + 15 - 8x³ - 2

= 8x³ - 8x³ = 0

= 10x² + 12x + 15 - 2

= 10x² + 12x + 13

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