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Ganezh [65]
3 years ago
13

Simplify the given expression. (4x2squared-15x-21)+3x2squared-10)

Mathematics
1 answer:
Bess [88]3 years ago
4 0

Answer:

7x^{2} - 15x -31

Step-by-step explanation:

(4x^{2} - 15x -21) + 3x^{2}  - 10 = 4x^{2} + 3x^{2} - 15x -21  - 10 = 7x^{2} - 15x -31

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ki77a [65]
X=15 is your answer. Give brainliest if possible.
7 0
2 years ago
Read 2 more answers
Can someone simplify this equation and solve for x and y?<br> (2x-5)+(y-1)+x=169
goldenfox [79]

Answer:

Answer

2x+3y=14,2x−3y=2

Adding :

2x+3y=14

2x−3y=2

__________

4x=16

x=4

∴xy=4×2

=8

2×4+3y=14

8+3y=14

3y=6

y=2

Step-by-step explanation:

here you go

6 0
2 years ago
Read 2 more answers
Which expression is equivalent to the given expression?
Diano4ka-milaya [45]
Assuming that the given expression is this one:
<span>−(12y+14)−(12y+14)

So, when you simplify it, you will get
- 24y - 28

It seems, that there is none in the following choices that is shown above satisfies the answer. Nevertheless, you just to add or subtract. Just remember the PEMDAS rule.</span>
5 0
3 years ago
PLEASE HELP ASAP I WILL GIVE A BRAINLIST Johnny went to the pumpkin patch to buy a large pumpkin. The price of the pumpkins were
olga55 [171]
<h3>✽ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ✽</h3>

➷ We are trying to find the weight of the pumpkin. The number of pounds can be 'x'

93.68 = 8 + x(0.45)

Subtract 8 from both sides:

85.68 = x(0.45)

Divide both sides by 0.45:

190.4 = x

The weight is 190.4 pounds

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

5 0
3 years ago
What is 5 8/12 as a mixed number in simplest form
Tema [17]

Your fraction is in a mixed number. But if you wanted an improper fraction it would be 17/3 in simplest form.

6 0
2 years ago
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