SOLUTION: solve for a: 16a^4 - 9a^2 = 0

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Question 152822: solve for a:
16a^4 - 9a^2 = 0
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
16a%5E4-9a%5E2=a%5E2%2816a%5E2-9%29=+0
First solution:
a%5E2=0
a=0
Second solution:
16a%5E2-9=+0
16a%5E2=9
a%5E2=9%2F16
a=0+%2B-+9%2F16
Three roots : [0,-9%2F16,9%2F16]
+graph%28+300%2C+300%2C+-2%2C+2%2C+-10%2C+10%2C+16x%5E4-9x%5E2%29+