Math, asked by vandanasinghanand, 6 months ago

Simplify:
19. (3x – 4) (2x² – 5x + 1) - (2x - 1) (3x² + 7x - 5)

Answers

Answered by Aditya33858

2

Step-by-step explanation:

(3x-4) (2x²-5x+1) - (2x-1) (3x²+7x-5)

[3x(2x²-5x+1)-4(2x²-5x+1)]-[2x(3x²+7x-5)-1(3x²+7x-5]

[6x³-15x²+3x-8x²+20x-4]-[6x³+14x²-10x-3x²-7x+5]

[6x³-15x²-8x²+3x+20x-4]-[6x³+14x²-3x²-10x-7x+5]

(6x³-23x²+23x-4) - (6x³+11x²-17x+5)

6x³-23x²+23x-4-6x³-11x²+17x-5

6x³-6x³-23x²-11x²+23x+17x-4-5

-34x²+40x-9

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