Question

factor 3x2 - x - 10?

Answer 1

is it 3x^2

Answer 2

yes

Answer 3

thats what i was thinking

Answer 4

x=2 or x=-5/3

Answer 5

you mean (x - 2)(3x + 5)?

Answer 6

3x² - x - 10 = 0
=>x² - 1/6x = 10/3 + (- 1/6)²
=>x² - 1/6x = 120/36 + 1/36
=>(x - 1/6)² = 121/36
=>x - 1/6 = ± 11/6
=.> x - 1/6 - 11/6,
= x - 12/6, = x - 2
=>x - 1/6 + 11/6,
= x + 10/6, = x + 5/3, = 3x + 5

(3x + 5)(x - 2)