Solve the system. x + y = 8 2x 2 – y = –5 Add the equations, then choose the result.

asked Feb 24, 2018 74.0k views

5 votes

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5 votes

Answer:

2x^2+x=3

Explanation:

edge

Codacopia answered Feb 26, 2018

8.2k points

6 votes

x + y = 8
2x^2 - y = -5
+_________
2x^2 + x = 3
2x^2 + x -3 = 0
(2x + 3)(x - 1) = 0
x = -3/2, x = 1

Sid Thakur answered Mar 2, 2018

7.5k points

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