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scoundrel [369]
4 years ago
6

Solve the polynomial x² - 7x + 12 = 0 Show each step used to find the solutions.

Mathematics
2 answers:
umka2103 [35]4 years ago
6 0

Answer:

x=4 and x=3

Step-by-step explanation:

The first step to find all factors of 12

1,2,3,4,6,12

and their negative form

-1,-2,-3,-4,-6,-12

we must add two of these numbers to get -7

and the two numbers that add up to -7 are -3 and -4

we can simply plot them into the polynomial (x-3)(x-4)

since x-3=0

we add three to both sides to get x=3

and since x-4=0

add four to both sides

we get x=4

and now check out work which

we can use First out in last (foil) method

(x-3)(x-4)

first

x^2

out

-4x

in

-3x

last

12

now we simplify to get x^2-7x+12

so it x=4 x=3 works

Zanzabum4 years ago
4 0

Step-by-step explanation:

Hope this is correct and helpful

HAVE A GOOD DAY!

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