Math, asked by divyanshugb, 2 months ago

Add: 7x³ + 2x² - 5x - 7 and -5x² + x³ + 4x - 5​

Answers

Answered by princessblessy240419
1

Step-by-step explanation:

7x^3 + 2x^2 - 5x -7

x^3 - 5x^2 + 4x -5

on adding, 8x^3 - 3x^2 - x - 12

Answered by JoeNotExotic
1

Answer:

7 {x}^{3}  + 2 {x}^{2}  - 5x + ( - 5 {x}^{2}  +  {x}^{3}  + 4x - 5 \\ 7 {x}^{3} +  {x}^{3} +   2 {x}^{2}  - 5 {x}^{2}  - 5x + 4x - 7 - 5 \\ 8 {x}^{3}  - 3 {x}^{2}  - x - 12 \\ thank \: you

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