Math, asked by RASHMISINA77, 9 months ago

Write the coefficient of x² in (2x²-5) (4+3x²)?

Answers

Answered by Anonymous

7

(2x²-5)(4+3x*2)

8x*2 + 6x*4-20-15x*2

-7x²+6x*4-20

so -7 is the coefficient of x*2

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