payshencec21 payshencec21

18-01-2019
Mathematics

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15 pts + brainliest to right/best answer

15 pts brainliest to rightbest answer class=

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Ammimochi Ammimochi

18-01-2019

Split the second term 7x^2 - 8x - 12 into two terms

7x^2 + 6x - 14x - 12

Factor out common terms in the first two terms, then in the last two terms

x(7x + 6) - 2(7x + 6)

Factor out the common term; 7x + 6

(7x + 6)(x - 2)

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wegnerkolmp2741o wegnerkolmp2741o

18-01-2019

Answer:

(7x+6 ) ( x -2 )

Step-by-step explanation:

7x^2 -8x-12

(7x ) ( x )

What are the factors of -12

-1*12 1 * -12

-2*6 2 * -6

-3*4 3 * -4

Something * 7 + something = -8

We need to fill in with the factors

-2 * 7 + 6 = -8

-14 -6 = -8 True

7x^2 -8x-12

(7x+6 ) ( x -2 )

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