Question

sum of 3 x square - 7 x square + 8 x square​

Answer 1

Answer:

3x square - 7x square +8x square

3x square +8x square -7x square

11x square -7x square

4x square Ans

Answer 2

Eqution : 3x² - 7x² + 8x²

Answer:

Step by Step Explanation ;

1. Add positive terms first.
2. Then subtract the negitive term from sum of postive terms.
3. There by we get the required answer

=> 3x²+ 8x² - 7x²

=> 11x² - 7x² { 8x² + 3x² = 11x² }

=> 4x²

Note : We can do the subtraction or addition in polinomials, if there are any like terms (i.e) There must be same variable terms along with the same degree of the variable.