Published 12.05.2018 on subject Mathematics by Guest

What are the values of x in the equations x(6-x) = 4(x+6)?
(1) {-6,6}
(2){-12,2}
(3){-2,12}
(4){-6,0,6}

Answered by Guest

Expand:
6x- x^2 = 4x +24
Move the terms to one side:
6x -x^2 -4x -24 =0
Simplify:
2x -x^2 -24=0
Apply the quadratic formula
https://www.cymath.com/answer.php?q=x\%2A\%286-x\%29\%3D4\%2A\%28x\%2B6\%29

MAybe thid could help!