Anyone know the steps to solving 2-a-6/a+4=a^2-6/a+4

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If you add both sides by 6/a-4, it equals to 2-a=a^2. And then, move 2-a to the right. a^2+a-2=0 If you factor this equation, it equals to (a-1)(a+2)=0 so, a=1, a=-2