Question

How can I factor 2xsquared+9x-15=0

Answer 1

-5****

Answer 2

this is a simple method for a quadratic in the form

\[ax^2 + bx + c = 0\]

multiply a and c so 2*-5 = -10

find the factors of -10 that add to 9 ... so 10 ans -1

then write your solution in this form

Answer 3

Thankyou for your help byt part of the solution page did not show up in my box.

Answer 4

oh well... have a good look at the solution as it works in every case...

all that is missing is the fact that you can cancel the common factor of 2 for the solution