SOLUTION: Solve. a. (x+4)squared -5= 31 b. 14+(x+12)squared=35

SOLUTION: Solve. a. (x+4)squared -5= 31 b. 14+(x+12)squared=35

Algebra.Com

Question 344564: Solve.
a. (x+4)squared -5= 31
b. 14+(x+12)squared=35
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
a. (x+4)^2-5=31
x^2+8x+16-5=31
x^2+8x+11-31=0
x^2+8x-20
(x+10)(x-2)=0
x+10=0
x=-10 ans.
x-2=0
x=2 ans.
------------------------------
b. 14+(x+12)^2=35
14+x^2+24x+144=35
x^2+24x+158-35=0
x^2+24x+123=0

x=(-24+-sqrt[24^2-4*1*-123])/2*1
x=(-24+-sqrt576+492])/2
x=(-24+-sqrt1068)/2
x=(-24+32.68)/2
x=8.68/2
x=4.34 ans.
x=(-24-32.68)/2
x=-56.68/2
x=-28.34 ans.
x=
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