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PilotLPTM [1.2K]
3 years ago
9

Factor the trinomial X^2 +2x - 3

Mathematics
1 answer:
PIT_PIT [208]3 years ago
6 0
X^2 + 2x - 3 = (x-1)(x+3)
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The graph of a linear function passes through the points (2, 4) and (8, 10).
Keith_Richards [23]
\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%   (a,b)
&({{ 2}}\quad ,&{{ 4}})\quad 
%   (c,d)
&({{ 8}}\quad ,&{{ 10}})
\end{array}
\\\\\\
% slope  = m
slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{10-4}{8-2}

\bf \stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\qquad 
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8 0
3 years ago
Simplify the expression <br> -7(3e-2f+4)+6e-2
Shkiper50 [21]

Answer: here it is 14f-30-15e

5 0
3 years ago
Hey can someone please help me with just number 13 ?
Fudgin [204]
THE ANSWER IS B! YOUR WELCOME!
7 0
3 years ago
-5r+8r+5 what is the anwser
Ksju [112]

Answer:

-5r + 8r +5

= (-5+8)r+5 (we can calculate number in same variabe)

= 3r +5

hope it helps ^°^

7 0
3 years ago
Read 2 more answers
How To Solve these? ​
Inessa [10]

Answer:

a. 15/23

b. 13/27

c. 400g

Step-by-step explanation:

a. When the denominators are the same, you can just sum the numerators.

Which becomes, 13+2=15--> 15/23

b. Same, when the denominator is the same, you can just minus the numerators. Which becomes, 25-12=13--> 13/27

c. 1kg=1000g. 1000/5=200✖️2=400

5 0
3 years ago
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