What is the only solution of 2x2 8x x2 16

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Susan C.

Algebra

7 months, 2 weeks ago

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Solve the quadratic equations. $$x(x+8)=-16$$

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solving the equation as X experience here is equal to minus 16. This is a organic equation off, particularly to the nature so solving this occasion, we first simply by the question, as excess square. This 16 is zero, so we recognize this efficient is excess quiet unless four X plus four x 16 is equal to zero. Eggs is common experience, for I know a four Roman as explicit full is equal to zero so x full. The court scare is equal to zero. So the venue off X will come out as minus four because there is order off two degrees so they can say that my complicity off this factor is too. And this route will be beat by two times so we can say minus four and minus four. Are the gurus off this question? So who's off? Desiccation will be s minus four and minus four. So

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Solution for 2x2+8x=x2-16 equation:

2x^2+8x=x2-16

We move all terms to the left:

2x^2+8x-(x2-16)=0

We add all the numbers together, and all the variables

2x^2-(+x^2-16)+8x=0

We get rid of parentheses

2x^2-x^2+8x+16=0

We add all the numbers together, and all the variables

x^2+8x+16=0

a = 1; b = 8; c = +16;
Δ = b2-4ac
Δ = 82-4·1·16
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{-8}{2}=-4$
    
    

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Gauthmathier2374

Grade 12 · 2021-12-24

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Gauthmathier9064

Grade 12 · 2021-12-24

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