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10 questions
Solve: x2=81\ x^2=81 x2=81
{9}\left\{9\right\}{9}
{±9i}\left\{\pm9i\right\}{±9i}
{±9}\left\{\pm\sqrt{9}\right\}{±9}
{±9}\left\{\pm9\right\}{±9}
Solve: x2=−16x^2=-16x2=−16
{±4}\left\{\pm4\right\}{±4}
{0}\left\{0\right\}{0}
{±4i}\left\{\pm4i\right\}{±4i}
{4i}\left\{4i\right\}{4i}
Solve: x2+7=23x^2+7=23x2+7=23
{±89}\left\{\pm\frac{8}{9}\right\}{±98}
{±16}\left\{\pm16\right\}{±16}
Solve: 36x2=2536x^2=2536x2=25
{±56}\left\{\pm\frac{5}{6}\right\}{±65}
{56}\left\{\frac{5}{6}\right\}{65}
{±5i}\left\{\pm5i\right\}{±5i}
{±8}\left\{\pm8\right\}{±8}
Solve: x2−4=−15x^2-4=-15x2−4=−15
{±3i}\left\{\pm3i\right\}{±3i}
{±i11}\left\{\pm i\sqrt{11}\right\}{±i11}
{±11}\left\{\pm\sqrt{11}\right\}{±11}
{±3}\left\{\pm3\right\}{±3}
Solve: 8x2+9=418x^2+9=418x2+9=41
{±i1413}\left\{\pm\frac{i\sqrt{141}}{3}\right\}{±3i141}
{±2}\left\{\pm2\right\}{±2}
Solve: 4x2−3=−514x^2-3=-514x2−3=−51
{±23}\left\{\pm2\sqrt{3}\right\}{±23}
{±2i3}\left\{\pm2i\sqrt{3}\right\}{±2i3}
{23}\left\{2\sqrt{3}\right\}{23}
{2i3}\left\{2i\sqrt{3}\right\}{2i3}
Solve: (2x−1)2=9\left(2x-1\right)^2=9(2x−1)2=9
{2, −1}\left\{2,\ -1\right\}{2, −1}
{2}\left\{2\right\}{2}
{2, 1}\left\{2,\ 1\right\}{2, 1}
{5, −3}\left\{5,\ -3\right\}{5, −3}
10(x−7)2=44010\left(x-7\right)^2=44010(x−7)2=440
{±211}\left\{\pm2\sqrt{11}\right\}{±211}
{7±430}\left\{7\pm\sqrt{430}\right\}{7±430}
{7±211}\left\{7\pm2\sqrt{11}\right\}{7±211}
{±911}\left\{\pm9\sqrt{11}\right\}{±911}
Solve: 2(x−2)2+3=−372\left(x-2\right)^2+3=-372(x−2)2+3=−37
{2±25}\left\{2\pm2\sqrt{5}\right\}{2±25}
{±4i5}\left\{\pm4i\sqrt{5}\right\}{±4i5}
{2±2i5}\left\{2\pm2i\sqrt{5}\right\}{2±2i5}
{±25}\left\{\pm2\sqrt{5}\right\}{±25}
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