Question

2x²+8x+8-2y² factors this​

Answer 1

Answer:

Step-by-step explanation:2x + 3y = 8 and xy = 2

Now, (2x + 3y)2 = (2x)2 + (3y)2 + 2 x 2x x 3y

⇒  (8)2 = 4x2 + 9y2 + 12xy

⇒ 64 = 4X2 + 9y2 + 12 x 2

⇒ 64 = 4x2 + 9y2 + 24

⇒ 4x2 + 9y2 = 64 – 24 = 40

∴ 4x2 + 9y2 = 40

Answer 2

Answer:

2x²+4x+4x+8-2y²

2x(X+2)+4(X+2)-2y²

(X+2)(2x+4)-2y²

Step-by-step explanation:

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