2 years ago

Need help with his geometry question. Find the value of x

1 answer:

5 0

Answer: 3

Step-by-step explanation:

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GaryK [48]

Substitute the value of b = -2 to the expression

$-4b-8+(-1)-b^2+2b^3=2b^3-b^2-4b-8-1=2b^3-b^2-4b-9\\\\2(-2)^3-(-2)^2-4(-2)-9=2(-8)-4+8-9=-16-4+8-9=-21$

7 0

3 years ago

Shalnov [3]

I’m pretty sure the 2nd one is the associate property and the 3rd one is the additive inverse property

Hope this helps :)

5 0

2 years ago

bixtya [17]

8c + 6j = 5p Subtract 6j from both sides
8c = 5p - 6j Divide both sides by 8
c = $\frac{5p - 6j}{8}$

3 0

3 years ago

Irina-Kira [14]

Answer:

8y^2 + 3xy + 2y^2 - 4xy

8y^2 + 2y^2 + 3xy - 4xy

10y^4 - 1xy

Step-by-step explanation:

8y^2 + 3xy + 2y^2 - 4xy

8y^2 + 2y^2 + 3xy - 4xy

10y^4 - 1xy

7 0

3 years ago

Lerok [7]

Answer:

3.2

Step-by-step explanation:

5 0

2 years ago