Question

Solve this equation, step by step, using the method mentioned below :
3x^2-12x-15=0

graph, such are: vertex, direction of opening, axis of symmetry, y-intercept, x-intercept(s)):

Answer 1

@sleepyjess

Answer 2

@Mehek14

Answer 3

@Mahoganie.Carson

Answer 4

@Er.Mohd.AMIR

Answer 5

make it perfect squre

Answer 6

x*x-4x-5=0

Answer 7

(x*x-2*2*x+2*2)-2*2-5=0
(x-2)^2-4-5=0

Answer 8

(x-2)^2=9

Answer 9

where do you get 4, and 5 from

Answer 10

since i add 2*2 so subtract it and 5 is already there

Answer 11

i thick u write wrong Q here please check it again

Answer 12

no its correct

Answer 13

the 2 is an exponent

Answer 14

there is must be any "y"

Answer 15

im so confused. im going to call my teacher

Answer 16

ok

Answer 17

Sorry I forgot how to do this @kiki99 :(