Time remaining:
solve using the quadratic formula

Algebra
Tutor: None Selected Time limit: 1 Day

2t2-5t-3=0

Mar 18th, 2015

the quadratic formula is x  = 1/2a ( -b ± sqrt(b^2 -4ac)

here, from the equation a=2 , b = -5 and c = -3

so, x = 1/4 ( -(-5) ± sqrt((-5)^2 -4*2*-3))) = 1/4( 5 ± sqrt ( 25+24)) = 1/4 (5± sqrt(49)) = 1/4(5±7)

so, x = 1/4(5+7) or 1/4(5-7)
= 12*1/4 or -2*1/4
=3 or -1/2



Please appreciate my help and use the "pay the tutor" option to may be the 1 $ thanks :)

Mar 18th, 2015

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