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Solve each equation: Please help
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Solve each equation. (x + 3)(x - 3) = 16 - 2x^2
so try to expand the left side of the equation; can u do that?
if you help me
so to expand it x*x +(-3*x +3*x -3*3 => x^2-9 = 16-2x^2
ok
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sollect like terms x^2+2*x^2 = 16+9
ok
3x^2 = 25
x = + or - sqrt(25/3)
ok is that it
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yup
ok thank you
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