Question

subtract 9x raised to 2x + 5xy - 13 from 4- 12x raised to 2y +7xy ( Do as direct)
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Answer 1

SOLUTION

TO DETERMINE

Subtract 9x² + 5xy - 13 from 4 - 12x² + 7xy

EVALUATION

Here the given expressions are

9x² + 5xy - 13 and 4 - 12x² + 7xy

On subtraction we get

= ( 4 - 12x² + 7xy ) - ( 9x² + 5xy - 13 )

= 4 - 12x² + 7xy - 9x² - 5xy + 13

= 17 - 21x² + 2xy

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Answer 2

Subtract 9x² + 5xy - 13 from 4 - 12x² + 7xy

EVALUATION

Here the given expressions are

9x² + 5xy - 13 and 4 - 12x² + 7xy

On subtraction we get

= ( 4 - 12x² + 7xy ) - ( 9x² + 5xy - 13 )

= 4 - 12x² + 7xy - 9x² - 5xy + 13

= 17 - 21x² + 2xy