2 years ago

Find the solutions to the equation below . Check all that apply . X^2-4=0

Mathematics

2 answers:

KatRina [158]2 years ago

5 0

Answer:

there are 2 solutions in total

Step-by-step explanation:

x^2-4=0

x^2=4

x= ±2<em>i</em>

KatRina [158]2 years ago

4 0

Answer:

x=±2

Step-by-step explanation:

x²-4=0

x²-2²=0

(x+2)(x-2)=0

either x+2=0,x=-2

or x-2=0,x=2

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