4 years ago

What is 3x+ b= 2x+ 5 for x

Mathematics

2 answers:

nexus9112 [7]4 years ago

8 0

Plz send pic for me to do this

daser333 [38]4 years ago

5 0

The answer is x=5-b. By the way there is an app called photo math I recommend you to download it. It is really handy when it comes to these problems!

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Given<br>2<br>f (x) = -5x^2 – 8x + 3 and g(x) = -3x^2<br>+ 7x + 11,<br>find (f +g) (x)

denis23 [38]

Answer:

$\boxed{\sf \ \ \ (f+g)(x)=-8x^2-x+14 \ \ \ }$

Step-by-step explanation:

Hello,

$f(x)=-5x^2-8x+3 \ and\\g(x)=-3x^2+7x+11 \ so\\(f+g)(x)=f(x)+g(x)=-5x^2-8x+3-3x^2+7x+11\\=-8x^2-x+14$

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mihalych1998 [28]

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3 years ago

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olga55 [171]

Y/5-10 is the answer
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4 years ago

Find the x-intercepts y=2x^2 + 5x + 2/x^2-4x+3

max2010maxim [7]

Answer:

${ \tt{y = \frac{2 {x}^{2} + 5x + 2}{ {x}^{2} - 4x + 3 } }} \\ x - intercept : y = 0 \\ { \tt{ \frac{2 {x}^{2} + 5x + 2 }{ {x}^{2} - 4x + 3 } = 0 }} \\ \\ { \tt{2 {x}^{2} + 5x + 2 = 0}} \\ x = \frac{1}{2} \: \: and \: \: x = - 2$

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3 years ago