Question

the factors of 4x²-16 are ​

Answer 1

Step-by-step explanation:

${4x}^{2} - \: 16$

$4( {x}^{2} - 4)$

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Answer 2

Answer:

4x²-16=0

(2x)²-(4)²=0

FORMULA:《a²-b²=(a+b)(a-b)》

(2x+4)(2x-4)=0

2x+4=0 ; 2x-4=0

2x= -4 ; 2x= +4

x= -4/2 ; x= +4/2

x=-2 ; x=+2

Answer : x = 2,-2