Question

what must be added to 2x²y²-5x+7 to get the sum -5x²y²+7x-9²​

Answer 1

hlo mate ✌️

Let the no. be x

Given :

2x²y²-5x+7

We have find an equation which is to add with 2x²y²-5x+7 to get -5x²y²+7x-9².

According to the condition:

x = (-5x²y²+7x-9² ) - ( 2x²y²-5x+7 )

x = -7x²y² +12x - 88

Hope it helps ❣️

Answer 2

⭐⭐ Hey mate ⭐⭐

Here is the answer :-

Let the number added be X . Then,

Number to be added with = 2x²y² - 5x + 7

Number to get = -5x²y² + 7x - 9²

According to the question :-

2x²y² - 5x + 7 + X = -5x²y² + 7x - 9²

=> X = -5x²y² + 7x - 81 -( 2x²y² + 5x + 7)

=> X = -5x²y² + 7x - 81 - 2x²y² - 5x - 7

=> X = -7x²y² + 2x - 88

.

The required number is. -7x²y² + 2x - 88

Hope it will be helpful....

#answerwithquality

#BAL