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CaHeK987 [17]
3 years ago
14

write the following algebraically using x as your unknown “i think of a number, multiply it by 3, add 4 and square the result”

Mathematics
1 answer:
beks73 [17]3 years ago
6 0

Answer:

(3x +4)²

Step-by-step explanation:

I think of a number x, then i multiply it by 3, add 4 and square the result.

Representing this mathematically,

x * 3= 3x

Then add 4 which will be 3x + 4

Squaring the result would be (3x +4)².

So, if we give our unknown which is x the value of say, 3.

Substituting the value of x into that equation would be easy.

(3 (3) +4)²

= (9 + 4)²

= (11)²

=132.

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Answer:

x = -6/5

y = -8/5

Step-by-step explanation:

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Y = 3x + 2

Substitute the second equation into the first equation

2x + 3x+2 = -4

Combine like terms

5x +2 = -4

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3 years ago
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Answer:

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