Math, asked by bangchan33333, 2 months ago

9 From the sum of 3x ^ 2 - 5x + 2and - 5x ^ 2 - 8x + 9 subtract 4x ^ 2 - 7x + 9

Answers

Answered by RaghulPrasanth
0

Answer:

-3(3x^2+3x-1)

Step-by-step explanation:

3x^2 - 5x +2

-5x^2 - 8x+9

___________

-2x^2-13x +11

-4x^2 +7x -9

___________

-6x^2 - 6x -2

-3(3x^2+3x-1)

Answered by RvChaudharY50
1

Correct Question :- From the sum of 3x² - 5x + 2 , -5x²- 8x + 9 and subtract 4x² - 7x + 9. ?

Solution :-

→ {(3x² - 5x + 2) + (-5x²- 8x + 9)} - (4x² - 7x + 9)

→ (3x² - 5x² - 5x - 8x + 2 + 9) - (4x² - 7x + 9)

→ (-2x² - 13x + 11) - (4x² - 7x + 9)

→ - 2x² - 4x² - 13x + 7x + 11 - 9

→ (- 6x² - 6x + 2 ) (Ans.)

Learn more :-

k के किस मान के लिए दिये गए समीकरण निकाय 5x-7y-5=0 और 2x+Ky-1=0 का अद्वितीय हल होगा

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