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frutty [35]
3 years ago
5

HELP ASAP

Mathematics
2 answers:
Phoenix [80]3 years ago
5 0
Ur first gonna move that 3 to the other side
4x^2 + 16x = -3

so ur isolating the constant
Phantasy [73]3 years ago
5 0

Answer:

<h2>"Factor 4 out of the variable terms".</h2>

Step-by-step explanation:

The given equation is

4x^{2} +16x+3=0

Now, according to the problem, Maya is solving by completing the square.

The first step she needs to do is to factor 4 out of the variable terms,

4(x^{2} +4x)+3=0

Then, we move the constant to the other side

4(x^{2} +4x)=-3

Now, we divide the linear term by 2, and find its square power

x^{2} +4x+(\frac{4}{2} )^{2} =-\frac{3}{4} +4\\x^{2} +4x+4=\frac{16-3}{4} \\x^{2} +4x+4=\frac{13}{4}

Then, we factor the perfect square trinomial

(x+2)^{2}=\frac{13}{4}\\

Now, we solve for x

x=\sqrt{\frac{13}{4} } -2

Remember, a square root always has two solutions

x_{1}= +\frac{\sqrt{13} }{2}  -2\\x_{1}= -\frac{\sqrt{13} }{2} -2

Therefore, the first step Maya should take is "Factor 4 out of the variable terms".

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