Question

a)x²= 36 b)a²=12 c)x²-8=28 d)n²=-144
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Answer 1

Respuesta:

${x}^{2} = 36 \\ x = \sqrt{36 } \\ x = 6 \\ \\ {a}^{2} = 12 \\ a = \sqrt{12} \\ a = 3.46 \\ \\ {x}^{2} - 8 = 28 \\ {x}^{2} = 20 \\ x = \sqrt{20 } \\ x = 4.47 \\ \\ {n}^{2} = - 144 \\ n = \sqrt{144} \\ n = - 12$

coorna plis