Answers

2016-08-06T21:54:31+08:00
X^2+10x+9=0
a=1 b=10 c=9

x= -b positive negative the square root of b^2 - 4ac over 2a
= -10 posit8ve negative the square root of (10)^2-4(1)(9) over 2(1)
=-10 positive negative thesquare root of 100 -36 over 2
= -10 positive negative the square root of 64 over 2
=-10positive negative 8 over 2

x tapos maliit na 1 sa baba ng x (x sub 1)
x sub 1 is eq7al to -10+8 over 2
= -2/2
x sub 1 = -1

x sub 2 is equal to -10-8 over 2
=-18/2
= -9
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