2 years ago

(x² + 6x-5) + (x²-8x-4)

Mathematics

1 answer:

leonid [27]2 years ago

8 0

Answer: 2x^2-2x-9

Step-by-step explanation:

subtract the numbers

x^2 + 6x-5+x^2-8x-4

X^2+6x-9+x^2-8x

then your gonna combine like terms

x^2+6x-9=x^2-8x

2x^2+6x-9-8x

combine like terms

2x^2+6x-9-8x

2x^2-2x-9

solution

2x^2-2x-9

You might be interested in

Solve the exponential equation 9^2x = 27

krek1111 [17]

27 = 9^(3/2)
.
so x = 4/3

4 0

4 years ago

Read 2 more answers

Suppose that the amount of algae in a pond doubles every 4 hours. If the pond initially contains 90 pounds of algae, how much al

UNO [17]

After 12 hours the pound would have 720 pounds of algae.

4 0

3 years ago

What is the Slope of the line

vampirchik [111]

Answer:

$m=\frac{-3}{4}$

Step-by-step explanation:

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Simply plug in 2 coordinates into the slope formula to find slope m:

$m=\frac{-4-(-1)}{5-1}$

$m=\frac{-4+1}{4}$

$m=\frac{-3}{4}$

5 0

3 years ago

What is expression equivalent to 23x

Anvisha [2.4K]

Answer:

23X

Step-by-step explanation:

4 0

4 years ago

What is the simplest form of the expression below? -2x²(3x²-2x-6)

nirvana33 [79]

Answer:

Solution Given:

To find the simplest form we need to open bracket

-2x²(3x²-2x-6)

-2x²*3x²-2x²*(-2x) -2x²*(-6)\

$-6x^{4}+4x^{3}+12x^2$ is a required answer.

7 0

2 years ago