SOLUTION: Hi, I'm studying for a test, and I need help with this problem.
Find all real solutions (a,b are positive constants)
{{{10a^2x^2-2abx-36b^2=0}}}
I know that it needs to b
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Question 70598This question is from textbook College Algebra Essentials
: Hi, I'm studying for a test, and I need help with this problem.
Find all real solutions (a,b are positive constants)
I know that it needs to be solved by factoring, completing the square, or the quadratic formula, but don't know where to start.
Thanks!
This question is from textbook College Algebra Essentials
Found 2 solutions by Earlsdon, checkley75:
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Solve for x:
This can be factored.
Applying the zero product principle:
and/or
If then so
If then so
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
FIRST WE FACTOR OUT THE COMMON FACTOR (2)
2(5A^2X^2-ABX-18B^2) NOW FACTOR THE QUADRATIC EQUATION THUS
2(5AX+9B)(AX-2B)
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