Respuesta :
Answer:
4x²+ 3x - 7
Step-by-step explanation:
(4x²-2x)+(5x-7)
= 4x²- 2x + 5x - 7
= 4x²+ 3x - 7
The sum of Expressions is 4x² +3x -7.
What is an Expression?
An expression is a mathematical statement consisting of variables, constants and mathematical operators.
The sum of the expression (4x²-2x) and (5x-7) has to be determined
(4x²-2x)+(5x-7)
4x² -2x+5x -7
4x² +3x -7
Therefore, the sum of Expressions is 4x² +3x -7.
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