AIR MATH

Math Question

What is the result of substituting for \( y \) in the bottom equation?
\[
\begin{array}{l}
y=x+3 \\
y=x^{2}+2 x-4
\end{array}
\]
A. \( y=x^{2}+2 x-4-(x+3) \)
B. \( x+3=x^{2} \)
C. \( x+3=x^{2}+2 x-4 \)
D. \( y=(x+3)^{2}+2(x+3)-4 \)

Solution

solution

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