Question

which of the following is a root x²-7x+12


a) 4
b) -4
c) -5
d) 5​

Answer 1

$x^{2} -7x+12$

$x^{2} -3x-4x+12$

$x(x-3) -4(x-3)$

$(x-3)(x-4)$

SO, the roots are 3 and 4

Correct option is (a)

MARK AS BRAINLIEST, IF YOU GET IT.

Answer 2

Answer:

a)4

Step-by-step explanation:

x²-(4+3)x+12

x²-4x-3x+12

x(x-4)-3(x-4)

(x-4)(x-3)