Question

3x square - 24x - 3840 = 0

Answer 1

Answer:

The value x=40, -32

Step-by-step explanation:

The given equation is,

3x^2 -24x -3840= 0

Dividing the both sides of the equation with 3 , we get,

x^2-8x-1280=0

Now comparing the equation to

ax^2+bx+c=0

We get, a=1, b=-8, c=-1280

Now by using sridhar acharya rule, we will get the values of x,

x = (-(-8) +-√((-8) ^2-(4×1×(-1280)))) /(2×1)

= (8+-√(64+5120)) /2= (8+-√5184) /2

= (8+-72) /2

So x= (8+72) /2 | x = (8-72) /2

= 80/2 | = -64/2

= 40 | = -32

So, the values of x are 40,-32