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weqwewe [10]
3 years ago
12

Expand and simplify:(x + 1)(2x - 3)with the explaining the steps​

Mathematics
2 answers:
Luden [163]3 years ago
8 0
<h3>Answer:  2x^2 - x - 3</h3>

====================================

Work Shown:

(x+1)(2x-3)

y(2x-3)

2xy - 3y

2x( y ) - 3( y )

2x( x+1 ) - 3( x+1 )

2x^2+2x - 3x-3

2x^2 - x - 3

Explanation:

In the second step, I replaced all of (x+1) with y. Afterward, I distributed that y term through. A few steps later, I replaced y with x+1 to help finish up the distributions. You could use the FOIL rule as an alternative approach.

kodGreya [7K]3 years ago
4 0
= X(2X-3) + 1 ( 2X-3)
=(2X*2 -3X) + (2X-3)
=2x*2 - 3X + 2x-3
=2x*2-x-3
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choli [55]
Side of the base of the pyramid: s=54 m
Height of the pyramid: h=260 m
Volumen of the building = Volumen of the pyramid = V=?

V=Ab*h/3

Area of the base = Area of a square = Ab=s^2=(54 m)^2→Ab=2,916 m^2

V=(2,916 m^2)*(260 m)/3→V=252,720 <span>m³

Answer: T</span>he volume of the building is 252,720 m³
5 0
4 years ago
A vendor sells hot dogs and bags of potato chips. A customer buys 4 hot dogs and 5 bags of potato chips for $15.50. Another cust
Anna007 [38]

Let <em>h</em> represent the cost of hot dogs and <em>p</em> represent the cost of potato chips.

Customer 1: 4h + 5p = 15.50   ⇒   3(4h + 5p = 15.50)   ⇒   12h + 15p = 46.50

Customer 2: 3h + 2p = 9.00    ⇒  -4(3h + 2p = 9.00)   ⇒ <u>  -12h -  8p = -36.00</u>

                                                                                                         7p = 10.50

                                                                                                           p = 1.50

Customer 2: 3h + 2p = 9.00   →   3h + 2(1.50) = 9.00   →   3h + 3.00 = 9.00   →   3h = 6.00   →   h = 2.00

Answer: hot dog = $1.50, potato chips = $2.00

3 0
3 years ago
Please help me on question 4!! asap
Volgvan
I belive your actually right and the letter answer is H (im really not sure)
8 0
4 years ago
Three fifths of the apples in the tree are right what percent of the apples are not right
saul85 [17]
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7 0
4 years ago
HEY GUYS I NEED HELP WITH THIS PLZZ! write down everything from the detail of how yall found ur answer plzz! 20 points or more..
aleksley [76]

Answer:

1/6+1/8+$13.50+$5=x

x=$18.79

Step-by-step explanation:

i add them

first i find the common denominator for 1/6 and 1/8

then i add 13.50 by 5

then add 18.50 by 7/24

i hope this explains how i got my answer

5 0
4 years ago
Read 2 more answers
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