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Cancel $3-a^2$ from both sides of the equation
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$a^2+3=3+a^2$
Learn how to solve quadratic equations problems step by step online. Solve the quadratic equation (3-a^2)(a^2+3)=(3-a^2)(3+a^2). Cancel 3-a^2 from both sides of the equation. Group the terms of the equation by moving the terms that have the variable a to the left side, and those that do not have it to the right side. Subtract the values 3 and -3. Cancel like terms a^2 and -a^2.