Quick Quadratics (Level 3)

Algebra Level 2

x 2 + 4 x + 4 = 0 x^2 + 4x + 4 = 0

What does x x equal?


The answer is -2.

Rhea Kavuru by Rhea Kavuru , 14, USA

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2 solutions

Set a value of x x to be − 2 -2 , and you will see that the equation gets satisfied!

2 Helpful 1 Interesting 2 Brilliant 1 Confused
Sid Patak
Jul 24, 2020

x 2 + 4 x + 4 = 0 ⟹ ( x + 2 ) 2 = 0 ⟹ x = − 2 x^2+4x+4=0 \implies (x+2)^2 =0 \implies x=-2

1 Helpful 1 Interesting 1 Brilliant 0 Confused

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