UratazZ
30.07.2019 •
Mathematics
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 so bad
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Ответ:
= 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:)
Ответ: