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Troyanec [42]
3 years ago
13

Mathswatch - solving quadratuc equations question plz help!

Mathematics
1 answer:
mr_godi [17]3 years ago
4 0

Answer:

(X+4)(x-11)

X= -4

X = 11

Step-by-step explanation:

x^2-7x - 34=10

x^2 -7x -34 -10 =0

x^2 - 7x - 44 = 0

The number in the middle is -7 and the other number is -44

Find two numbers that when multiply = -44 and when added= -7

4 * -11 = -44 and 4 + -11 = -7

Answer: (x+4)(x-11)

x + 4 = 0

x = -4 and

x -11 = 0

x = 11

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Read 2 more answers
X + y = 92 and y = 3x - 4
Advocard [28]

∑ Hey, eduardolozanosalgado ⊃

Answer:

x=24 , y=68

Step-by-step explanation:

<u><em>Given:</em></u>

<u><em></em></u>\mathrm{\begin{bmatrix}x+y=92\\ y=3x-4\end{bmatrix}}

<u><em>Solution:</em></u>

<em>Substitute: </em>\mathrm{y = 3x-4}

\begin{bmatrix}x+3x-4=92\end{bmatrix}

Isolate x for 4x - 4= 92 : x = 24

Substitute : x = 24

y=3\cdot \:24-4

y=64

Hence, the solutions are : x=24,\:y=68

<u><em>xcookiex12</em></u>

<u><em></em></u>

<em>8/19/2022</em>

6 0
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