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Genrish500 [490]
3 years ago
14

Factor 16x4 - 4y2 A) (x + 4y)(x - 4y) B) 4(2x2 + y)(2x2 - y)

Mathematics
2 answers:
Romashka [77]3 years ago
8 0

Answer:

B

Step-by-step explanation:

16x⁴- 4y²

= 4( 4x⁴ -y²) <em>(</em><em>facto</em><em>rise</em><em> </em><em>common</em><em> </em><em>factor</em><em> </em><em>of</em><em> </em><em>4</em><em>)</em>

= 4 [(2x²)² -y²]

= 4 (2x² +y)(2x² -y)

*a² -b²= (a+b)(a-b)

Alex73 [517]3 years ago
6 0

Step-by-step explanation:

16 {x}^{4}  - 4 {y}^{2}  \\  {4}^{2}  {x}^{4}  -  {2}^{2} {y}^{2}  \\ {4}^{2}  {x}^{2}  \times  {x}^{2}  -  {2}^{2}  {y}^{2}  \\ (4 {x}^{2}  - 2y)(4 {x}^{2}  - 2y)

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the variable z is directly proportional to x. when x is 6, z has the value 18. what is the value of z when x = 10 the variable z
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