Question

Simplify the following equations and solve it.(quadratic equations)

(b) (x-2) (x+2) = 12

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Answer 1

Answer:

l don't know answer for this question

Answer 2

Answer:

4(PLUS OR MINUS FOUR)

Step-by-step explanation:

(X-2)(X+2)=12

Using the formula (a+b)(a-b)=$a^{2}-b^{2}$

$x^{2}-2^{2}$=12

$x^{2}$ -4 = 12

$x^{2}$ =12+4

$x^{2}$=16

x=$\sqrt{16}$

x=+/-4