Algebra WON: Practical Algebra I skills
Prof. Scott Beaver
7x=0 x3=0
Problem Set #8
Page 1 of 6
x=
x=0
1. Solve for unknown X.
(x+1)(x-1)=0 -
x2-1=0
X+1=0 OR x-1=0
(x+))(x-1)= 0 =
-1-1 +/ +1
X+1=0 OR X-L=0
X=Y OR X=
X = T R X= I
(x+3)(x-3)=0
x2-9=0
x+3=0 OR X-3=0
(x+3)(x-3)=d.
-3-3 +3+3
x+3=0 or x-3=1
x=-3 OR x=3
(x+5)(x-5) =
x2-25=0
(+5.=0 oR. x-5-0
(x+5)(x-5)=0
-5-5 -5+5
(X=-5 oR x=5/
(x+v3)(x-v3)=0
x2-3=0
X+N3=0 OR
-NI-V3
X+N3=00RX-N3-P
X = N3 OR x=N3
x=-NB.RX=N3
(x+v5)(x-v5)=0
x2-5=0
X+Ns= OR
- N9-N5
AND
x=
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