Sunday
August 30, 2015

Homework Help: math

Posted by lee on Sunday, October 31, 2010 at 3:41pm.

is these answers correct?
solve the equation: 2x^2 +8x - 17=(x +2)^2= x=-7,3
solve (v-5)^2-63=0, where v is a real number, simplify answer as much as possible. v=3 square root 7+5,-3 square root7+5
v``12.93725, -2.937254
use the quadratic formula to solve for x.
4x^2x-4=0
=x=1+squar root65/8 , 1-square root65/8=x``1.132782,-0.882782
thank yu

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