bellaclairef
bellaclairef bellaclairef
  • 03-03-2018
  • Mathematics
contestada

If c is a constant such that 9x^2+10x+c is equal to the square of a binomial, then what is c?

I NEED HELP SO BAD PLEASE PLEASE PLEASE

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AnythingToHelp
AnythingToHelp AnythingToHelp
  • 03-03-2018
(9x^2+10x+c) = (3x+b)^2
= 9x^2 + 6b x+ b^2

1) 6b= 10
b+ 5/3

2) c=b^2
c= (5/3) ^2
c= 25/9

(9x^2+10x+25/9)=(3x+5/3)^2

I hope this helps:)


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