yadudeitsyaboi
yadudeitsyaboi yadudeitsyaboi
  • 13-10-2020
  • Mathematics
contestada

can you look at this please
what is the value of a? What is the value of b?

can you look at this please what is the value of a What is the value of b class=

Respuesta :

gmany
gmany gmany
  • 13-10-2020

Answer:

[tex]\huge\boxed{a=36;\ b=-9}[/tex]

Step-by-step explanation:

[tex](6x-3)(6x+3)=ax^2+b\qquad|\text{use}\ (a-b)(a+b)=a^2-b^2\\\\(6x)^2-3^2=ax^2+b\\\\6^2x^2-9=ax^2+b\\\\36x^2-9=ax^2+b\Rightarrow a=36;\ b=-9[/tex]

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