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OpenStudy (zyberg):
Find the roots of equation: (4x^2 + 12x)^2 - (2x + 3)^2 = 63
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OpenStudy (samantha2234):
Try mathway or wolfram.com they both help me tremendously!!!
OpenStudy (zyberg):
I don't think that I am supposed to expand with this problem. At least not fully. Both wolfram and mathway expand every square that they see.
OpenStudy (samantha2234):
O.O Oh
OpenStudy (misty1212):
HI!!
OpenStudy (misty1212):
maybe try a substitution?
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OpenStudy (misty1212):
try \[z=2x+3\]
OpenStudy (zyberg):
@misty1212 I thought of doing that, however I am not sure about (4x^2 + 12x)^2 part. It would leave x there, and substitution shouldn't allow that..
OpenStudy (princeharryyy):
|dw:1477584980826:dw|
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