Question

1)x⁴+6=150. X=¿?

2) 3x²=192. X¿?

3)3x²-30x=0
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Answer 1

x⁴+6=150

x⁴ = 150-6

x⁴ = 144

$\sqrt[4]{x^{4} } = \sqrt[4]{144}$

$x = \sqrt[4]{2^{4}.3^{2}  }$

$x = 2 \sqrt[4]{3^{2} }$

$x = 2\sqrt{3}$

3x² = 192

$x^{2} = \frac{192}{3}$

$x^{2} = 64$

$\sqrt{x^{2} } = \sqrt{64}$

x = 8

3x² - 30x = 0

3x(x - 10) = 0

3x = 0            y        x - 10 = 0

x = 0/3                     x = 10

x = 0

CS = (0; 10)