Question

the factors of 2x²+4x-16 is​

Answer 1

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

Step-by-step explanation:

2x²+4x-16

=2x²+x(8-4)-16

=2x²+8x-4x-16

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

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

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

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Answer 2

2x² + 4x -16

2 ( x ² + 2x - 8 )

a + b = 2

ab = 1 ( - 8 ) = - 8

- 1 , 8

- 2 , 4

- 1 + 8 = 7

- 2 + 4 = 2

a = - 2

b = 4

( x ² - 2x ) + ( 4x - 8 )

x ( x - 2 ) + 4 ( x - 2 )

( x - 2 ) ( x + 4 )

2 ( x - 2 ) ( x + 4 )