3 years ago

Factor the trinomial: 3x2 + 13x + 12

Mathematics

1 answer:

yarga [219]3 years ago

8 0

Answer:

Step-by-step explanation:

(3x + 4)(x + 3)

3x^2 + 9x + 4x + 12

3x^2 + 13x + 12

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Elimination using addition and subtraction. -4x+4y=-20 -2x+4y=-2

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I would subtract the 2nd from the first one

so -4x - -2x = -2x

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-2x = -18

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so no we have x = 9

now you just have to substitute that into one of the equations and simplify to get y

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Answer:

Step-by-step explanation:

hi! so the question is asking what h is when you input -18 for x, right?

inputing in this question means to substitute, meaning that in this equation, -18 will take the place of x!

let's see what the equation looks like now
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easy as that!

now let's do the math :)

because of PEMDAS, remember to do the fraction (dividing) first!
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