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25 votes
25 votes
Factoring 8x^2-12x-8

User Eric Finn
by
3.4k points

2 Answers

10 votes
10 votes

Answer:


4(x-2)(2x+1)

Explanation:

1) Common factor


8x^2-12x-8\\


4(2x^2-3x-2)

2) Use the sum-product pattern


4(2x^2-3x-2)


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

3) Common factor from the two pairs


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


4(x(2x+1)-2(2x+1))

4) Rewrite in factored form


4(x(2x+1)-2(2x+1))


4(x-2)(2x+1)

User Yechabbi
by
3.5k points
9 votes
9 votes

Answer:

( 8x - 4 ) ( x - 2 )

Explanation:

8x² - 12x - 8

8x² - 16x + 4x - 8

8x ( x - 2 ) - 4 ( x - 2 )

( 8x - 4 ) ( x - 2 )

User JeromeXoo
by
3.3k points