Question

the the roots of quadratic equation (x-4) (2x-1) = 0 are
A) 1/2, 4
B) 4, -1/2
C) -4, -1/2
D) 1/2 ,-4​

Answer 1

Answer:

$(x - 4)(2x - 1) = 0$

$(x - 4) = 0 \: and \: (2x - 1) = 0$

=> x = 4 and x = 1/2

Ans. A) 1/2, 4

Hope it helps.

Answer 2

$(x - 4)(2x - 1) = 0$

$x - 4 = 0 \: , \: x = 4$

$2x - 1 = 0 \: , \: 2x = 1, \: x = \frac{1}{2}$

$option \: \: A \: is \: \: answer$