Question

Tolong nomor 9 & 11 jawabannya aja gak papa

Answer 1

8x² - 10x - 12
= 4x² - 5x - 6
= (4x +3)(x -2)
= B

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x + 4 / 3 ≤ x - 3 / 4
kalikan 3

x + 4 ≤ 3x - 9 / 4
kalikan 4

4x + 16 ≤ 3x - 9
4x - 3x ≤ -9 -16
x ≤ -25

HP = {...., -27, -26, -25}
= D.