Question

(x²-5y)-(x³+6-5y)
plz tell me answer

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Answer 1

Answer:

x² - 5y - x³ - 6 + 5y= 0

( - 5y + 5y = 0 )

-x³ + x² - 6 = 0

Answer 2

Question:-

$(x {}^{2} - 5y) - (x {}^{3} + 6 - 5y)$

Solution:-

➪ Remove unnecessary parenthesis

$x {}^{2} - 5y - (x {}^{3} + 6 - 5y)$

➪ Where there is a - in front of an expression in parentheses, change the sign of each term in expression.

$x {}^{2} - 5y - x {}^{3} - 6 + 5y$

➪ Since two opposites add upto 0 remove them from expression

$x {}^{2} - x {}^{3} - 6$

Solved✔︎