Equations

Solve the equation $x^2=25$`x`2=25.

Write all solutions on the same line, separated by commas.

Easy

< 1min

Solve the following equation for $x$`x`:

$x^2=81$`x`2=81

Easy

< 1min

Solve for $x$`x`:

$x^2-25=0$`x`2−25=0

Easy

< 1min

How many real solutions does the following equation have?

Easy

< 1min

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