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Zinaida [17]
3 years ago
14

20x^3+8x^2-30x-12 Rewrite the expression as the product of two binomials.

Mathematics
2 answers:
timurjin [86]3 years ago
6 0

Answer:

(10x+4)(2x^2 -3)

Step-by-step explanation:

20x^3+8x^2-30x-12

Rewrite expression (grouping them).

20x^3-30x+8x^2-12

Factor the two groups.

10x(2x^2 -3)+4(2x^2 -3)

Take the common factor from both groups.

(10x+4)(2x^2 -3)

weqwewe [10]3 years ago
3 0

Answer:

see below

Step-by-step explanation:

20x^3+8x^2-30x-12

Factor out the greatest common factor 2

2 (10x^3+4x^2-15x-6)

Then factor by grouping

2 ( 10x^3+4x^2      -15x-6)

Factor out 2 x^2 from the first group and -3 from the second group

2  ( 2x^2( 5x+2)  -3( 5x+2))

Factor out ( 5x+2)

2 ( 5x+2) (2x^2-3)

The 2 can go in either term to get binomials

( 10x +4) (2x^2-3)

or ( 5x+2) ( 4x^2 -6)

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