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Serga [27]
3 years ago
6

Solve the quadratic using the quadratic formula. * Solve: 6x^2 + 7x – 5 = 0

Mathematics
1 answer:
kiruha [24]3 years ago
4 0

Answer:x = -5/3 or x = 1/2

Step-by-step explanation:

Let's solve your equation step-by-step.

6x2+7x−5=0

Step 1: Factor left side of equation.

(3x+5)(2x−1)=0

Step 2: Set factors equal to 0.

3x+5 = 0 or 2x−1 = 0

x = -5/3 or x = 1/2

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GuDViN [60]

Answer:

(-2, 11) and (2, 3)

Step-by-step explanation:

<u>Given system of equations:</u>

1) f(x) = x² - 2x + 3 ⇒ y = x² - 2x + 3

2) f(x) = -2x + 7 ⇒ y = -2x + 7

Solve Using the Substitution Method:

<u>Step 1:</u> Substitute the the first equation into the second.

⇒ x² - 2x + 3 = -2x + 7

<u>Step 2:</u> Solve for x.

x² - 2x + 3 = -2x + 7 [ Add 2x to both sides. ]

x² - 2x + 2x + 3 = -2x + 2x + 7

⇒ x² + 3 = 7 [ Subtract 3 from both sides. ]

x² + 3 - 3 = 7 - 3

⇒ x² = 4 [ Take the square root of both sides. ]

√x² = √4

x = ± 2

⇒ x = -2, x = 2

<u>Step 3:</u> Solve for y.

<em>Substitute the found x-values into one of the given equations.</em>

y = -2x + 7 ⇒ y = -2(-2) + 7 ⇒ y = 4 + 7 ⇒ y = 11

y = -2x + 7 ⇒ y = -2(2) + 7 ⇒ y = -4 + 7 ⇒ y = 3

The solutions to the system of equations are: (-2, 11) and (2, 3).

Learn more about system of equations here:

brainly.com/question/26094713

brainly.com/question/27850666

5 0
2 years ago
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The greatest common factor of 2 different prime numbers is 1
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Answer:

ok is this supposed to be a quesion to ask or a fact?

Step-by-step explanation:

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3 years ago
Solve the following equation:<br> x2 = 64<br><br> x = 32<br> X = 8<br> x = -8<br> x = 8 or x = -8
zepelin [54]

Answer:

X=±8

Step-by-step explanation:

x²=64

x²=8²

X=±✓8²

X=±8

8 0
3 years ago
I need help fast thank you so much
valkas [14]

Answer:710

Step-by-step explanation:multiply 3000 by 3.3

3 0
3 years ago
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