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AlekseyPX
3 years ago
10

PLEASE HELP, GIVING BRAINLIST TO ANYONE WHO ANSWERS

Mathematics
1 answer:
pogonyaev3 years ago
8 0

Here's the answer .. feel free to ask any more qns.

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Factor quadratic trinomials
ad-work [718]
1. (x - 9) + (x + 5)
You split the x^2 into two xs
The one with an x (-4x) is what the two numbers should equal
-9 + 5 = 4
The one without an x (-45) is what the two numbers product should be
-9 times 5 = -45
*so remember the x is the sum of the two
*no x is the product of the two
Theres no quick trick to find the answer u just have to plug it in
*start with all the numbers that multiply for the no x (-45)
-3 and 15 or 3 and -15 is obviously not it as the sum does not equal -4
Those sums equal 12 or -12
I’ll do one more and ur on ur own comrade (ok and ill do number 4)
3. (x - 8) + (x - 9)
ok this time both the answers have a negative
*if it has only one negative in the problem there are going to be TWO negatives in the answer
-8 and -9 sum is -17
-8 and -9 sum is 72
If there was only one negative in the answer it would make the 72 negative and there is no -72 in the problem
So this one is
(x - 8) + (x - 9) (u dont have to have it like this u can put the (x - 9) in the front doesn’t matter which way it’s just the signs (- & +) that matter
OK now 4.
4. This one is very easy as all u need to do is find the two numbers for the product
(X - 6) (X + 6)
(Again it doesn’t matter which () is in front just the SIGNS INSIDE THE PARENTHESES ( + & - )
GL

4 0
2 years ago
How do you add images?
densk [106]
Click on the add button and it should show like a camera and you can chose it out of your camera roll
3 0
3 years ago
Read 2 more answers
!Help Help Help! lols
Gwar [14]

the Answer is c. I think

6 0
3 years ago
Read 2 more answers
Factor f(x)=x2−8x+16<br><br> (A) (x−4)2<br> (B) (x+8)2<br> (C) (x−8)2<br> (D) (x+4)2
Fynjy0 [20]

Answer:

A

Step-by-step explanation:

(x-4)^2 = x^2 -4x -4x + (-4)*(-4)

= x^2-8x+16 as required

3 0
2 years ago
9(s)+3=57 what is dose the letter s represent in this quation
xz_007 [3.2K]
57-3= 54 9x6= 54 s=6
3 0
3 years ago
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