Question

solve by completing square.... 12=4x+5x^2 plz help me and give me a solution ​

Answer 1

Answer:

this is your answer ....bro

Answer 2

Let's solve your equation step-by-step.

$12=4x+5x^{2}$

Step 1: Simplify both sides of the equation.

$12=5x^{2} +4x$

Step 2: Subtract $5x^{2} +4x$ from both sides.

$12-(5x^{2} +4x)=5x^{2} +4x-(5x^{2} +4x)$

$-5x^{2} -4x+12=0$

Step 3: Factor left side of the equation.

$(-5x+6)(x+2)=0$

Step 4: Set factors equal to 0.

$-5x+6=0$     or    $x+2=0$

$x=\frac{6}{5}$               or    $x=-2$

∴ $x=\frac{6}{5}$ or $x=-2$ in the following equation.