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# math

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Solve 4+16x=3 using completing the square.

Apr 5, 2021

#1
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Hey there, Guest!

I don't get what the "completing the square" part means, but I'll answer your linear equation.

Step 1: Simplify both sides of the equation.

16x+4=3

Step 2: Subtract 4 from both sides.

16x+4−4=3−4

16x=−1

Step 3: Divide both sides by 16.

$$\frac{16x}{16}$$=$$\frac{-1}{16}$$

$$x=\frac{-1}{16}$$

If you missed that, the answer is -1/16.

Hope this helped! :)

( ﾟдﾟ)つ Bye

Apr 5, 2021
#2
+33572
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Maybe you meant      4^x^2 + 16x =3   ?      Divide through by 4

x^2 + 4x = 3/4       take 1/2 of the x coeffecient (which is 4) ....square it and add it to the equation on both sides

x^2 +4x + 4 = 3/4 +4

(x+2)^2   = 4 3/4             now take sqrt of both sides

x+2      = ±√(19/4)

x = -2  ±√(19) /2

Apr 5, 2021
#3
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Hello! Completing the square is not used for linear equations, it is a method of turning the quadratic $ax^2+bx+c=0$ into the form $a(x+b)^2+c=0$, which is not applicable for linear equations.

Apr 5, 2021