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nikklg [1K]
3 years ago
8

(30 POINTS AND BRAINLIEST) Show all work to solve 3x^2 + 5x − 2 = 0.

Mathematics
1 answer:
Dahasolnce [82]3 years ago
5 0

Answer:

The answer to your question is:    (x + 2)(3x - 1) = 0

x1 = -2

x2 = 1/3

Step-by-step explanation:

                                           3x² + 5x − 2 = 0

Multiply 3 x -2 = -6

Find two numbers that added = +5 and multiply -6

These numbers are +6  and -1

Then:

                                           3x² + 6x -1x − 2 = 0

Factorize                           3x (x + 2) - 1(x + 2) = 0

Factorize again                (x + 2)(3x - 1) = 0

Finally

                         x + 2 = 0               3x - 1 = 0

                         x = -2                     x = 1/3

                                                   

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3 0
3 years ago
What is x^2 + y^2 - 4x + 12y -20= 0 factored
andrew11 [14]
<span>Simplifying
4x2 + 8xy + 4y2

Reorder the terms:
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Factor out the Greatest Common Factor (GCF), '4'.
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Final result:
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4 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Csf%202x%2B7%2B8x%3D35" id="TexFormula1" title="\sf 2x+7+8x=35" alt="\sf 2x+7+8x=35" align="
Dafna11 [192]

Answer:

x=14/5

Step-by-step explanation:

Group like terms

2x+8x+7=35

Add similar elements: 2x+8x=10x

10x+7=35

Subtract 7 from both sides:

10x+7−7=35−7

Simplify

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7 0
3 years ago
I WILL GIVE 60 POINTS IF CORRECT PLEASE ANSWER *photo below*
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Answer:

10. 27 shoes

11. No, both are 18, they are equal

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17. Rory divided the percentage by the number (#/%=#)

Step-by-step explanation:

To find a percentage of somethin, multiply the number by the percent

(54 shoes x 50% (0.50) = 27 shoes)

To find the original number, divide the new number by the percentage

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7 0
3 years ago
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Answer:

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Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
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