Respuesta :

fieryanswererft

Answer:

a = -2

b = +5

Step-by-step explanation:

x² - 4x + 9

[tex](x-2)^{2}[/tex]+5

therefore, a = -2, b= 5

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JBa11er

Solve for  

b

b = x 2 − 5 x + 9 − a