Solve by extracting square roots
-$x^{2}+343=0$
A) $\{ \pm 14 \sqrt{7} i\}$
B) $\{ \pm 7 \sqrt{7}\}$
C) $\{ \pm 7 \sqrt{7} i\}$
D) $\{ \pm \sqrt{7} i\}$

Name: Solve by extracting square roots -$x^{2}+343=0$ A) $\{ \pm 14 \sqrt{7} i\}$ B) $\{ \pm 7 \sqrt{7}\}$ C) $\{ \pm 7 \sqrt{7} i\}$ D) $\{ \pm \sqrt{7} i\}$
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The Answer of Solve by extracting square roots
-$x^{2}+343=0$
A) $\{ \pm 14 \sqrt{7} i\}$
B) $\{ \pm 7 \sqrt{7}\}$
C) $\{ \pm 7 \sqrt{7} i\}$
D) $\{ \pm \sqrt{7} i\}$

Solve by Extracting Square Roots - x2+343=0x^{2}+343=0x2+343=0 A) {±147i}\{ \pm 14 \sqrt{7} i\}{±147​i}

Solve by Extracting Square Roots
- $x^{2}+343=0$ A) $\{ \pm 14 \sqrt{7} i\}$