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3 years ago

5

Dwc fkmev fjkev k fewdwledre erje e

1 answer:

AleksAgata [21]3 years ago

3 0

Answer:

x=1/5

Step-by-step explanation:

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Simplify 3 (2x + 1) - 2 (x + 1)

dezoksy [38]

Let's simplify step-by-step.

3(2x+1)−2(x+1)

Distribute:

=(3)(2x)+(3)(1)+(−2)(x)+(−2)(1)

=6x+3+−2x+−2

Combine Like Terms:

=6x+3+−2x+−2

=(6x+−2x)+(3+−2)

=4x+1

8 0

3 years ago

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Select the two values of x that are roots of this equation 2x-3=-5x^2

zvonat [6]

$\bold{Answer}$

$\boxed{\bold{X \ = \ -1, \ X \ = \ \frac{3}{5} }}$

$\bold{Explanation}$

$\bold{Find \ Two \ Values \ Of \ X: \ 2x-3=-5x^2}$

$\bold{-------------------}$

$\bold{Switch \ Sides}$

$\bold{-5x^2=2x-3}$

$\bold{Add \ 3 \ To \ Both \ Sides}$

$\bold{-5x^2+3=2x-3+3}$

$\bold{Simplify}$

$\bold{-5x^2+3=2x}$

$\bold{Subtract \ 2x \ From \ Both \ Sides}$

$\bold{-5x^2+3-2x=2x-2x}$

$\bold{Simplify}$

$\bold{-5x^2-2x+3=0}$

$\bold{Solve \ With \ The \ Quadratic \ Formula}$
$\bold{For \ The \ Quadratic \ Form \ For \ ax^2+bx+c=0 \ The \ Solutions \ Are \ x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}}$
$\bold{For \ A \ =-5,\:b=-2,\:c=3:\quad x_{1,\:2}=\frac{-\left(-2\right)\pm \sqrt{\left(-2\right)^2-4\left(-5\right)3}}{2\left(-5\right)}}$

$\bold{\frac{-\left(-2\right)+\sqrt{\left(-2\right)^2-4\left(-5\right)\cdot \:3}}{2\left(-5\right)}: \ -1}$

$\bold{\frac{-\left(-2\right)-\sqrt{\left(-2\right)^2-4\left(-5\right)\cdot \:3}}{2\left(-5\right)}: \ \frac{3}{5} }$

$\bold{Solutions}$

$\bold{x=-1,\:x=\frac{3}{5}}$

$\boxed{\bold{Eclipsed}}$

3 0

3 years ago

Pls help. I don't know how to do this and pls don't answer if you don't know the answer.

Nataly_w [17]

Answer:

m = 3 5/18

All you need to do is rewrite the equation as 8 1/9- 4 5/6

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3 years ago

Evaluate 8.1p + 7.9 when p = 6 and r = 7

matrenka [14]

Answer:

56.5

Step-by-step explanation:

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3 years ago

Estimate £19.65 x 395

vladimir2022 [97]

Answer:

£7761.75

Step-by-step explanation:

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3 years ago

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