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anonymous
 one year ago
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anonymous
 one year ago
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muscrat123
 one year ago
Best ResponseYou've already chosen the best response.1like school or online school or u just wanna know?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.0let's look at the second equation 8x + y = 20 we can solve for y to get: y = 20  8x then we can look at our first equation: y = x^2  2x + 4 we can set them equal to each other to get: 20  8x = x^2  2x + 4 know where to go from here?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.0keep going subtract 20 from each side and factor

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.0yes, so keep going x^2 + 6x  16 = (x+8)(x2) so x = 8 and x = 2 now calculate the matching y values
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