3 years ago

What is the product of 3x+4 and 6x^{2} −5x+7?

1 answer:

8 0

$(3x + 4)(6 {x}^{2} - 5x + 7) \\ = 18 {x}^{3} - 15 {x}^{2} + 21x + 24 {x}^{2} - 20x + 28 \\ = 18 {x}^{3} + 9 {x}^{2} + x + 28$

I hope I helped you^_^

You might be interested in

If a 1 could 1 could a 1 sit on a 2 when a 2 eats a 3 after the 3 sits on 1?

jok3333 [9.3K]

Answer:

no, 2 would be sitting on 1

Step-by-step explanation:

Download docx

7 0

4 years ago

Souvenir hats, T-shirts, and jackets are sold at a rock concert. Three hats, two T-shirts, and one jacket cost $140. Two hats, t

Sergio039 [100]

$Let \: x \: be \: the \: price \: of \: a \: hat, \: y \: be \: the \: price \: of \: a \: T-shirt, \: and \: z \: be \: the \: price \: of \: a \: jacket. \: We \: have \: a \: system \: of \: equations: \\ 3x + 2y + z = 140 \\ x + y + z = 85 \\ x + 3y + 2z = 180 \\ x = 15 \\ y = 25 \\ z = 45. \\ So \: the \: price \: of \: a \: hat \: is \: 15, \: a \: T-shirt \: is \: 25 \: and \: a \: jacket \: is \: 45.$

6 0

3 years ago

A square fence has an area of 81 cm sq. What is the length of each side?

BartSMP [9]

Answer:

9 cm

Step-by-step explanation:

$\sqrt{81} = 9$