SOLUTION: 1+3a=10a2

Question 704755: 1+3a=10a2
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
1+3a=10a^2
10A^2-3A-1=0
(5A+1)(2A-1)=0
5A+1=0
5A=-1
A=-1/5 ANS.
2A-1=0
2A=1
A=1/2 ANS.
PROOF:
1+3(-1/5)=10(-1/5)^2
1-3/5=10*1/25
2/5=10/25
2/5=2/5
1+3(1/2)=10(1/2)^2
1+3/2=10*1/4
2 1/2=10/4
2.5=2.5
RELATED QUESTIONS
3a+3a+1 (answered by ikleyn)

1/3a+2=2/3a (answered by ewatrrr)

1=1/3a-5 (answered by Fombitz)

1/3a+1/4a (answered by ikleyn)

what is... (answered by ly12603)

5(3a-1)�+3=-16(3a-1) (answered by scott8148)

3a/2 = a -... (answered by elima)

3a+1=a+9 (answered by Mathtut)

(3a-1)*2 (answered by Alan3354)