Math, asked by himanshu4641, 6 months ago

Add : 7x² - 4x +5, -3x² + 2x - 1 and 5x² - x +9

Answers

Answered by Anonymous

3

Answer:

=(7x² - 4x +5) + (-3x² + 2x - 1 +5x² - x +9)

= 7x²-4x+5-3x² + 2x - 1 +5x²-x+9

= 9x²-3x-13

Answered by patelanjana313

0

Answer:

9x²-3x+13

Step-by-step explanation:

(7x²-4x+5)+(-3x²+2x-1)+(5x²-x+9)

= 7x²-4x+5-3x²+2x-1+5x²-x+9

= 7x²+5x²-3x²-4x+2x-x-1+9+5

= 7x²+2x²-4x+x-1+14

= 9x²-3x+13

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