Question

the sum of 5x², -7x², 8x²and -9x² is ? ( can i know this answer pls)​

Answer 1

Answer:

Step-by-step explanation:

5x^2 + - 7x^2  + 8x^2 + -9 x^2  = -3x^2

so, your answer is -3x^2

Answer 2

Answer:

-3x^2

5x^2+(-7x^2)+8x^2+(-9x^2)

5x^2-7x^2+8x^2-9x^2

-2x^2-1x^2

-3x^2