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Transform each quadratic function in the form of y = ax2 + bx + c

1.) x (x – 4) + y = 3x + 9

2.) y = 2(x + 1)2 – 2

3.) 2x – 5 = x2 – y



Sagot :

1. y = –x² + 7x + 9

2. 4x – y = –2

3. y = x² – 2x + 5