4 middle school questions
1 answer:
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Equivalent expression is the expression which is equal to the original equation but the way of representation is different. The equivalent expression of the given expression are,
Given information
The given expression in the problem is,
Equivalent expression is the expression which is equal to the original equation but the way of representation is different.
The given equation is,
As the product of the negative and positive is negative. Thus solve the equation by opening the bracket.
Check all the option,
- 1) The expression given in the option 1 is,
Solve it further,
The result is equal to the result of the given expression. Thus the expression of the option 1 is equivalent to the expression given in the problem.
- 2) The expression given in the option 2 is,
Solve it further,
The result is not equal to the result of the given expression. Thus the expression of the option 2 is not equivalent to the expression given in the problem.
- 3) The expression given in the option 3 is,
Solve it further,
The result is equal to the result of the given expression. Thus the expression of the option 3 is equivalent to the expression given in the problem.
- 4) The expression given in the option 4 is,
The expression of the option 4 is not equivalent to the expression given in the problem.
- 5) The expression given in the option 4 is,
The expression of the option 5 is not equivalent to the expression given in the problem.
Hence the equivalent expression of the given expression are,
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