Question

2 X square + 15 x minus 12 is equals to zero formula method​

Answer 1

Step-by-step explanation:

According to the Quadratic Formula, x , the solution for Ax2+Bx+C = 0 , where A, B and C are numbers, often called coefficients, is given by :

- B ± √ B2-4AC

x = ————————

2A

In our case, A = 2

B = -15

C = -12

Accordingly, B2 - 4AC =

225 - (-96) =

321

Applying the quadratic formula :

15 ± √ 321

x = ——————

4

√ 321 , rounded to 4 decimal digits, is 17.9165

So now we are looking at:

x = ( 15 ± 17.916 ) / 4

Two real solutions:

x =(15+√321)/4= 8.229

or:

x =(15-√321)/4=-0.729

Answer 2

ok so i see that by seeing the above answer you got your answer