Solve x2 + x - 12 = 0 by completing the square. A) x= -4 and x = 3
B) x= 4 and x = 3
C) x= -4 and x = -3
D) x = 4 and x = -3

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get

what shape is

the correct answer would be:

220 centimeters

to get this you can use the pythagorean theorem

hope this

step-by-step explanation:

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step-by-step explanation:

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