3 years ago

What is the result of substituting for y in the bottom equation? y= x-7 y = x2 + 2x - 4

Mathematics

1 answer:

Licemer1 [7]3 years ago

7 0

Answer:

x^2+x+3

Step-by-step explanation:

y=x-7

x-7=x^2+2x-4

x^2+2x-4-x+7

x^2+x+3

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