Question

What are the solutions of 6x2 − x − 15 = 0? please i really dont understand

Answer 1

Do you know how to factor by grouping?

Answer 2

no

Answer 3

ax^2+bx+c=0
6x^2-x-15=0

numbers that add together to get B and multiply to get AC
AC: 6*-15=90
B: -1

What two numbers will add to get you B and multiply to get you AC?

Answer 4

b=-2+1?

Answer 5

No, the two numbers that will multiply to get you -90 and add to get you -1.

Answer 6

Ruka there AC =6*(-15)= -90 and not 90

ATTENTION please !!!

Answer 7

@jhonyy9 ATTENTION please !!!
READ THE REPLY ABOVE YOU BEFORE YOU COMMENT.

Answer 8

ok - sorry !!!