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likoan [24]
4 years ago
7

What is (3x+5)(x^2+6x+11)

Mathematics
1 answer:
serg [7]4 years ago
3 0

Answer:

\large\boxed{3x^3+23x^2+63x+55}

Step-by-step explanation:

\text{Use FOIL:}\\\\(a+b)(c+d)=ac+ad+bc+bd

(3x+5)(x^2+6x+11)\\\\=(3x)(x^2)+(3x)(6x)+(3x)(11)+(5)(x^2)+(5)(6x)+(5)(11)\\\\=3x^3+18x^2+33x+5x^2+30x+55\qquad\text{combine like terms}\\\\=3x^3+(18x^2+5x^3)+(33x+30x)+55\\\\=3x^3+23x^2+63x+55

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6x - 3y = -6<br> y = 2x + 2
Verizon [17]

Answer:

y=0, x=1

Step-by-step explanation:

6x-3y= -6 ...... equation 1

y =2x+2 ..... equation 2

subtract 2x from both sides

y-2x=2x-2x+2

y-2x=2

6x-3y= -6

y-2x=2

Rearrange

6x-3y= -6 ........x1

-2x +y=2............x3

6x-3y= -6

-6x +3y=2

0y=0

y=0

substitute y=0 in equation 1

6x-3xo= -6

6x= -6

x-6/6

x = -1

4 0
4 years ago
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4 years ago
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nata0808 [166]

Answer:

ARE ≅ ΔARC

By rule - SSS Congruence Postulate

Step-by-step explanation:

We are given that in the two triangles ARE and ARC.

Sides AE ≅ AC and RE ≅ RC

Moreover, they have AR as their common side.

<em>So, we get that, in ΔARE and ΔARC, all the three corresponding sides are equal.</em>

Thus, by the SSS Congruence Postulate, ΔARE ≅ ΔARC.

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How will the solution of the system y &gt; 2x + Two-thirds and y &lt; 2x + One-third change if the inequality sign on both inequ
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Answer:

Step-by-step explanation:344x-5-p-0-9-but=pmc+m2 something like that

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Answer:

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