SOLUTION: please help me solve this equation {{{ 2x^2+15x-8=0 }}}
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Question 276259
:
please help me solve this equation
Found 2 solutions by
checkley77, solver91311
:
Answer by
checkley77(12844)
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2x^2+15x-8=0
(2X-1)(X+8)=0
2X-1=0
2X=1
X=1/2 ANS.
X+8=0
X=-8 ANS.
Answer by
solver91311(24713)
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You can
put this solution on YOUR website!
This one factors rather tidily.
First we need
Because that is the only way to get
Now you can muck about with the various factors of -8, but try this: -1 times 8 equals -8, 2 times 8 is 16 and 16 - 1 is 15, so:
Can you take it from here?
John