Question 68588
X(X+2)=35+5(X+1)
X^2+2X=35+5X+5
X^2+2X-5X-35-5=0
X^2-3X-40=0
(X-8)(X+5)=0
X-8=0
X=8 ANSWER
PROOF
8*10=35+5(9)
80=35+45
80=80
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X+5=0
X=-5 ANSWER
PROOF
-5*-3=35+5(-4)
15=35-20
15=15