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kherson [118]
3 years ago
12

(3x-7)(2x+9) Need it ASAP will give brainliest to first correct answer

Mathematics
1 answer:
jeka943 years ago
5 0

Answer:

6x^2 + 13x - 63

Step-by-step explanation:

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If a is a rational number and b is a rational number, then the product ab must be
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What is the solution to the system of equationsY=4x+11 and y =-2x-1
pav-90 [236]

For this case we must solve a system of two equations with two unknowns, given by "x" and "y".

We have:

y = 4x + 11\ (1)\\y = -2x-1\ (2)

We multiply (2) by -1:

-y = 2x + 1\ (3)

We add (1) and (3):

y-y = 4x + 2x + 11 + 1\\0 = 6x + 12

Clearing x:

-12 = 6x\\x = \frac {-12} {6}\\x = -2

We substitute x = -2 in (2)

y = -2 (-2) -1\\y = 4-1\\y = 3

Thus, the solution of the system is (x, y) = (- 2,3)

Answer:

The solution of the system is (x, y) = (- 2,3)



5 0
3 years ago
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