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sergij07 [2.7K]
3 years ago
5

Tony wrote the equation x² + 5x + 126 = x² + 17x + 66 to show that the area of a changed rectangle is 126 m² greater than the ar

ea of the original rectangle. How did the rectangle change?
3 was added to each side.

5 was added to each side.

6 was added to each side.

11 was added to each side.
Mathematics
2 answers:
Andre45 [30]3 years ago
8 0
The answer <span>5 was added to each side. 
</span>
x² + 5x + 126 = x² + 17x + 66
____
Subtract x² from both sides:
x² + 5x + 126 - x² = x² + 17x + 66 - x²
5x + 126 = 17x + 66

126 - 66 = 17x - 5x
60 = 12x
x = 60/12
x = 5

Thus, <span>5 was added to each side.</span>
xz_007 [3.2K]3 years ago
4 0

Answer:

Sad how the verified answer is the wrong one.. The correct anser would be B) 6 was added to each side.

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