Thuizz :v 20x² = 320 X1 = ___ X2 = ___ — Mangat qaqa² semuwahh o-O

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Thuizz :v 20x² = 320 X1 = ___ X2 = ___ --- Mangat qaqa² semuwahh o-O

Thuizz :v
20x² = 320
X1 = ___
X2 = ___
—
Mangat qaqa² semuwahh o-O

mathbb color{aqua} underbrace{JAWABAN}

  • x1 = –4
  • x2 = 4

——————

mathbb color{orange} underbrace{PENYELESAIAN}

PEMFAKTORAN :

sf20 {x}^{2} = 320 ~~~~~~~~~~~~ \ sf20 {x}^{2} - 320 = 0~~~~~~~~~~~~~~~~~~~~~~~~~~ \ sf {x}^{2} - 16 = 0 ~~~~~~~~~~~~~~~~~~~~\ sf (x + 4)(x - 4) = 0~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ \ sf x + 4 = 0 : atau : x - 4 = 0~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ \ sf bold{ x = - 4~~~~~~~~~~~~x = 4}~~~~~~~~~~~~~~~~~~~~~~~~~~

HP = {x = –4 atau x = 4}

——————

mathbb color{red} underbrace{KESIMPULAN}

Jadi, nilai x yang memenuhi adalah –4 atau 4

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