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marta [7]
3 years ago
12

(x – 3) (x + 6) cuanto es

Mathematics
2 answers:
Nuetrik [128]3 years ago
6 0

\longrightarrow{\green{  \:  {x}^{2}  + 3x - 18  }} 

\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}

(x - 3)(x + 6)

➼ \: x(x + 6) - 3(x + 6)

➼ \:  {x}^{2}  + 6x - 3x - 18

➼ \:  {x}^{2}  +3x - 18

\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{❦}}}}}

DiKsa [7]3 years ago
3 0

Answer:

Step-by-step explanation:

(x - 3)(x + 6)

=x(x + 6) -3(x + 6)

=x*x + x*6 - 3*x - 3*6

=x^2 + 6x - 3x - 18

=x^2 + 3x - 18

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IM REALLY CONFUSED! Help!!!!!!! Please explain your answer, thank you!
choli [55]

ABOUT THIS FORMULA:

  • <u>Y2 - Y1</u>

        X2 - X1

FOR PROBLEM: (2, 1) & (0, -5)

  • Y2 is -5
  • Y1 is 1
  • X2 is 0
  • X1 is 2

ABOUT POINT SLOPE FORM:

  • y - Y1 = m(x - X1)
  • Y1 & X1 is a point
  • m represents the slope
  • This form allows you to identify the slope & the point on the line

ABOUT SLOPE INTERCEPT FORM:

  • y = mx + b
  • m represents the slope
  • b represents the y - intercept AKA the starting point

<u>Y2 - Y1</u>

X2 - X1

<u>-5 - 1</u>

0 - 2

<u>-6</u>

-2

SIMPLIFIED: -3 because both -6 & -2 can be divided by 2.

y - Y1 = m(x - X1)

y - -1 = -3(x - 2)

y + 1 = -3x + 6

   - 1           - 1

y = -3x - 5 --- SLOPE INTERCEPT FORM


I do not see y = -3x - 5 as one of your answer choices.... So, I am sorry if I am incorrect...


7 0
3 years ago
HELPPP no links please
uysha [10]

Answer:

c= 261

Step-by-step explanation:

-c = -11 - 250

-c = -261 change the signs on both sides of the equation c = 261

8 0
3 years ago
Please help i will gvie brainlest
Illusion [34]

Answer:

sorry i dont get it

Step-by-step explanation:

7 0
3 years ago
Solve for x and y then find angle ABE
Soloha48 [4]

Answer:  x  is 9° ,  y is 21°. The measure of angle ABE is 48°.

Step-by-step explanation:

First we will solve for x.  

The variable x appears in the angle 8x + 18   and that angle is a right angle.

Right angles have the measure of 90 degrees so we will set the angle equal 90  and solve for x.

8x + 18 = 90    Subtract 18 from both sides

      - 18   -18  

8x = 72     divide both sides by 8

x = 9  

y is also on the right side and the combination of both angles has to also equal 90 degrees because they form a right angle.

Since we already know x is 9 we will input it into the left side for x and solve for y.

y + 3(9) + 2y = 90

3y + 27= 90

    -27     -27

3y = 63

 y = 21  

Now we need to find the measure of angle ABE.

ABE is represented by  y + 3x  so since we know the value of y and x we will input it into the expression and solve for the angle.

21 + 3(9) = m∠ABE

21 + 27= m∠ABE

48 = m∠ABE

This means the measure of angle ABE is 48°

5 0
3 years ago
Hi! Can someone please help me with this problem?
irinina [24]

Answer:3!

Step-by-step explanation:

4 0
3 years ago
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