Question

Help! What is the answer to: 4x^2 + 9x - 1 = 0

Answer 1

I hope this helps you




a=4


b=9


c= -1



disctirminant =b^2-4ac


disctirminant =9^2-4.4. (-1)


disctirminant =97


x1=-9+square root of 97/2.4= -9+square root of 97/8


x2= -9-square root of 97/2.4= -9-square root of 97/8

Answer 2

Quadratic formula. The number before x^2 needs to be a 1 first . Get that number to a 1 and then use the formula. You should be able to find the quadratic formula on google.