Question

Tentukan faktor dari
a. 2x² - x - 10
b. 2x² + 2x - 4
c. 2x² + 7x - 15
d. 6x² - 7x - 24

Answer 1

2x² - x - 10
2x² + 4x - 5x - 10
2x(x + 2) - 5(x + 2)
(2x - 5)(x + 2)

2x² + 2x - 4
2x² - 2x + 4x - 4
2x(x - 1) + 4(x - 1)
(2x + 4)(x - 1)

2x² + 7x - 15
2x² + 10x - 3x - 15
2x(x + 5) - 3(x + 5)
(2x - 3)(x + 5)

6x² - 7x - 24
6x² - 16x + 9x - 24
2x(3x - 8) + 3(3x - 8)
(2x + 3)(3x - 8)