hitunglah akar-akar dari persamaan berikut( x + 6)( x - 2) = 3( x + 10).... Question from @tokoikhtiarsehat

November 2023 1 3 Report

hitunglah akar-akar dari persamaan berikut( x + 6)( x - 2) = 3( x + 10)

Jawaban:

(x + 6)( x - 2) = 3( x + 10)

x² - 2x + 6x - 12 = 3x + 30

x² + 4x -12 = 3x + 30

x² + 4x -12 - 3x - 30 = 0

x² + x - 42 = 0

( x - 6 ) ( x + 7 ) = 0

x = 6 dan x = -7

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