Question

add the following question ​

Answer 1

Answer:

what do we have to show here....pls send question properly

if it is to be added , then answer is -5x^2

Answer 2

-9x²+4x²= -5x²

it's answer is -5x²

but if we do further calculation it's answer will be :-

• -9x² + 4x² =0
• -5x² =0
• x² = 0/-5
• x² = 0
• X = 0