Question

Subtract 8 – 9xy + 3x2 – 5x from 3x2
– 8x + 5xy – 10.​

Answer 1

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Subtract 8 – 9xy + 3x2 – 5x from 3x2  – 8x + 5xy – 10.

Answer:-

=>  3x2  – 8x + 5xy – 10 - (8 – 9xy + 3x2 – 5x )

=> 3x2  – 8x + 5xy – 10 - 8 + 9xy - 3x2 + 5x

=> – 8x + 5xy – 10 - 8 + 9xy + 5x

=> - 3x + 5xy – 10 - 8 + 9xy

=> - 3x + 14x - 10 - 8

=> - 3x + 14x - 18 (Answer)

Answer 2

Given: 8-9xy+3x²-5x from 3x²-8x+5xy-10​

To find The value of the given problem

Solution: From the given question, we can see subtraction in algebra where we have to first arrange each term of the provided expression. Then for subtraction in algebra, we have to change the signs of the lower row from(+) to (-) and vice-versa.

From above, we have

8-9xy+3x²-5x from 3x²-8x+5xy-10​

∴ 3x²-8x+5xy-10​    [∵It is written after 'from' so we placed it at the top]

-  3x²-5x-9xy+8          

_(-)_(+)_(+)__(-)__  [changing signs]      

0 -3x +14xy-2

=-3x +14xy-2

Hence the value of the given problem is -3x +14xy-2.