The equation 0 = -2x2 5x - 3 was the quadratic formula that Zacharias used. However, he started substituting as:
Quadratic formula as x = ; substitution as x
The errors he made: he mistakenly used the negative (-) and postive (+)
* -5 should have been 5
* 52 should have been -52
* both the numerator and the denominator should have been -2 instead of 2
The answer is -6 because when u put them together and do the equation and get -6
Answer:
The answer is c
Step-by-step explanation:
My college brother told me this is the answer if it isn't I'm sorry but it's his fault
Step-by-step explanation:
a triangle,=180
so 68+35-180=77
then 77+68=145
Answer:
cran
Step-by-step explanation: