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Colt1911 [192]
3 years ago
10

Multiply the polynomial (x-5)(x^2+4x-2)

Mathematics
2 answers:
nataly862011 [7]3 years ago
7 0
I believe the answer is (x^3)-(x^2)-22x+10
scoundrel [369]3 years ago
7 0

Answer:

x³ - x² - 22x + 10

Step-by-step explanation:

Given

(x - 5)(x² + 4x - 2)

Each term in the second factor is multiplied by each term in the first factor, that is

x(x² + 4x - 2) - 5(x² + 4x - 2) ← distribute both parenthesis

= x³ + 4x² - 2x - 5x² - 20x + 10 ← collect like terms

= x³ + (4x² - 5x²) + (- 2x - 20x) + 10

= x³ + (- x²) + (- 22x) + 10

= x³ - x² - 22x + 10

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Ivenika [448]
It should be 0 because the only factor changing is the x value
7 0
2 years ago
Find f(-3) if f(x) = x 2.
Brums [2.3K]

Answer:

-6

Step-by-step explanation:

7 0
3 years ago
What is the coefficient of x in the expression?<br><br> 6x + 9y + 15z
givi [52]

Answer: 6

A coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression.

In this case we want to find the coefficient that has x. 6 is the only coefficient in the expression 6x + 9y + 15z that has the coefficient of x.

Basically, a coefficient is simply a number that has a variable after it.

6 0
3 years ago
Read 2 more answers
A store sells two different fruit baskets with mangos and kiwis. The first basket has 2 mangos and 3 kiwis for $9.00. The second
Oliga [24]

Answer:

kiwis = $1.5

mangoes = $2.25

Step-by-step explanation:

Two equations can be derived from the question

2m + 3k = 9 equation 1

5m + 2k = 14.25 equation 2

m = mangoes

k = kiwis

multiply equation 1 by 5 and 2 by 2

10m + 15k = 45 equation 3

10m +4k = 28.5 equation 4

Subtract equation 4 from 3

11k = 16.5

k = 1.5

Substitute for k in equation 1

2m + 3(1.5) = 9

2m + 4.5 = 9

2m = 4.5

m = 2.25

3 0
3 years ago
Create an equivalent expression for 12v + 26u
lesantik [10]

Answer:

2(6v+13u)

Step-by-step explanation:

Factoring

4 0
3 years ago
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