Solve for x: Set each factor equal to zero and solve for x.x−12=0 or x+2=0x=12 or x=−2
Check for extraneous solutions: Check for extraneous solutions by plugging the values back into the original equation.For x=12:(12−7)/(12+8)=3/125/20=3/121/4=1/4 (True, so x=12 is a valid solution)For x=−2:(−2−7)/(−2+8)=3/−2−9/6=3/−2−3/2=3/−2 (True, but x=−2 is not a valid solution because it makes the denominator of the original equation's right side zero)
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