(x+a)(x+a)
x = -a or x = -a :)
-a,-a
(-a)^2 + 2a(-a) + a^2
a^2 - 2 a^2 + a^2 = 0 would you believe?
Solve the quadratic equation by factoring. Check your solutions in the original equation. (Enter your answers as a comma-separated list.)
x^2 + 2ax + a^2 = 0
1 answer
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