Answers

2015-06-04T19:37:10+08:00
Given:(2x+5)(x-1)=-6
         2xsquared -2x+5x-1
          2xsquared -7xsquared-1=0
a.=2
b.=-7
c.=-1
0
we dena 3 small yan
2xsquared+3x-5+6=0 2xsquared+3x+1=0 a.=2 b.=3 c.=1
hindi na isasama ang 6 kasi standard form na yan
olo
nag transpose kasi
2015-06-04T20:38:30+08:00

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(2x+5)(x-1) = -6
2x²+3x-5 = -6
2x²+3x+1 = 0
Use the Quadratic formula:
x = -3 ± √(3²-8) = -3 ± √1 = -3 ± 1 = -1/2 or -1
            4                4           4


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