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umka21 [38]
2 years ago
8

From y² + 5 y - 7, subtract y² - 3 y - 4​

Mathematics
1 answer:
Vaselesa [24]2 years ago
3 0

<h3>{y}^{2}  + 5y - 7 - ( {y}^{2}  - 3y - 4) \\  {y}^{2}  + 5y - 7 -  {y}^{2}  + 3y + 4 \\  {y}^{2}  - y {}^{2}  + 5y + 3y - 7 + 4 \\ 8y - 3</h3>
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