Question

The roots of 35x2 + 13x - 12 = 0 are
3
4
a)1 or 2
b)2 or 3
c)1/2 or 1/3
d)3/7 or -4/5​

Answer 1

Answer:

I think so the option c will come

Answer 2

Answer:

x = 3/7, -4/5

Step-by-step explanation:

Given : 35x² + 13x - 12 = 0

⇒ 35x² + 28x - 15x - 12 = 0

⇒ 35x² - 15x + 28x - 12 = 0

⇒ 5x(7x - 3) + 4(7x - 3) = 0

⇒ (5x + 4)(7x - 3) = 0

⇒ x = -4/5, x = 3/7

⇒ x = 3/7, -4/5

Hope it helps!