Question

What are roots of quadratic equation x² = 4 ?
Ans: #2​

Answer 1

Answer:

2

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Answer 2

Step-by-step explanation:

How to solve your problem

2

=

4

x^{2}=4

x2=4

Factor

1

Move terms to the left side

2

=

4

x^{2}=4

x2=4

2

−

4

=

0

x^{2}-4=0

x2−4=0

2

Use the sum-product pattern

3

Factor

2 more steps

Solution

=

2

=

−

2