Question

Factorise:3x²-x-4


I wil mark appropriate answer as brainliest

Answer 1

Answer:

3x2 -4x +3x -4

x(3x-4) +1 (3x-4)

(x+1) (3x-4)

hope it's helpful

follow me

make me Brainliest

$</p><p><style type="text/css"></p><p>#blue{</p><p>margin-top:170px;</p><p>color:red;</p><p>background:cyan;</p><p>padding:20px;</p><p>padding-left:20px;</p><p>width:100px;</p><p>font-size:1.2rem;</p><p>border:4px solid red;</p><p>box-shadow:0px 0px 40px black;</p><p>border-bottom-right-radius:80px;</p><p>border-top-left-radius:80px;</p><p>border-bottom-left-radius:3px;</p><p>border-top-right-radius:3px;</p><p>animation-name:noname2;</p><p>position:absolute;</p><p>animation-delay:s;</p><p>animation-duration:4s;</p><p>animation-timing-function:linear;</p><p>animation-iteration-count: infinite;</p><p></p><p>}</p><p>@keyframes noname2{</p><p>from{left:-190px;transform: rotate(0deg);}</p><p>to{left:360px; transform: rotate(490deg);}</p><p>}</p><p></style></p><p><center><div><p id="blue"><b><i>GIVE RATING ⭐⭐⭐ ⭐⭐</i></b></p></div></center></p><p>$

Answer 2

Answer:

3x^2 - x - 4

[ -4 × 3x^2 = -12x^2 ; -4x + 3x = -x ]

3x^2 - 4x + 3x - 4

x ( 3x - 4 ) + 1 ( 3x - 4 )

( 3x - 4 ) ( x + 1 )