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Shtirlitz [24]
2 years ago
6

LORD PLEASE HELP MEEEEEEEEEEEEEEEEEEEEEE!

Mathematics
2 answers:
mars1129 [50]2 years ago
6 0

Answer:

( -1,7)

Step-by-step explanation:

{ refer attachment }

nekit [7.7K]2 years ago
5 0

Answer:

The answer would be (-1,7)

Step-by-step explanation:

Using the process of elimination we can subtract the two equations to cancel out the y variable. That is subtract the second equation from the first.

 3x + y = 4

<u>- 2x + y = 5</u>

<u>   x        = -1</u>

Now that we have found x we can substitute -1 for x into any equation for y. So, in substituting -1 for x in the  second equation we get:

2(-1) + y = 5

-2 + y = 5

y = 5 + 2

y = 7

ANSWER: (-1, 7)

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\sf{\qquad\qquad\huge\underline{{\sf Answer}}}

Let's Solve ~

\qquad \sf  \dashrightarrow \: 4 {x}^{2}  + 20x + 25

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or

\sf{\qquad \sf  \dashrightarrow \: 4x² + 20x + 25 }

\sf{\qquad \sf  \dashrightarrow \: (2x)² + (2 \sdot 2x \sdot 5) + (5)²}

[ it's similar to expression - a² + 2ab + b² that is equal to (a + b)² ]

so, let's use this identity here to factorise :

\sf{\qquad \sf  \dashrightarrow \: (2x + 5)²}

I hope it was helpful ~

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