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katrin2010 [14]
3 years ago
5

Factorise (x+3)(x+3)

Mathematics
2 answers:
Luda [366]3 years ago
6 0

Step-by-step explanation:

( x + 3 ) ²

.........

hope it helps!

igomit [66]3 years ago
4 0

Answer:

it's already factorized, you can't go any further

if u mean the answer when both is multiplies then it's x^2 + 6 + 9

Step-by-step explanation:

(x + 3)(x + 3)

use distributive property

x^2 + 3x + 3x + 9

x^2 + 6x + 9

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Sergio [31]

Answer:

Therefore,

The surface area is

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Step-by-step explanation:

Shape is triangular prism,

Base = b = 9

Height = h = 7

The length of each side of the triangular prism ,

s₁ = s₂ = s₃ = 9

Width of the entire prism

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To Find:

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Solution:

Total Surface Area of Prism is given by,

\textrm{Total Surface Area of Prism}=bh + (s_{1}+s_{2}+s_{3})W

Where,

b = Base

h = Height

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Substituting the values we get

\textrm{Total Surface Area of Prism}=9\times 7 + (9 + 9 + 9)\times 7=252\ units^{2}

Therefore,

The surface area is

\textrm{Total Surface Area of Prism}=252\ units^{2}

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umka21 [38]

Answer:

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Step-by-step explanation:

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3 years ago
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