Is the following fully simplified?
$$\sqrt{90x^2}$$
My math teacher gave me two points less because of this.
The right solution is $\sqrt{90}|x|$ he thinks.
2026-04-07 18:06:15.1775585175
Is $\sqrt{90x^2}$ fully simplified?
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HINT: it is $$3\sqrt{10}\cdot |x|$$