In addition , sign of each term in the expression remains unchanged. Just remove the unnecessary parentheses.
Collect like terms and simplify
While subtracting, sign of each term of the second expression changes.
If anyone can answer this question... thank you so much!
topic- Algebriac Expressions!
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Mathematics, 28.09.2020 16:01 eduardavezdemel
If anyone can answer this question... thank you so much!
topic- Algebriac Expressions!
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