3 years ago

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

Mathematics

1 answer:

Leno4ka [110]3 years ago

5 0

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

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