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melisa1 [442]
3 years ago
13

What is the product? (–3s + 2t)(4s – t)

Mathematics
2 answers:
stealth61 [152]3 years ago
5 0

Answer:

-12s^2 + 11st - 2t^2

Step-by-step explanation:

charle [14.2K]3 years ago
4 0
Distributive property or
use FOIL (FOIL is just an acronym to help you remember how to multiply binomials)

distributive property
a(b+c)=ab+ac
(b+c)a=ba+ca

distribute
(-3s+2t)(4s-t)=
(-3s+2t)(4s)+(-3s+2t)(-t)=
(-3s)(4s)+(2t)(4s)+(-3s)(-t)+(2t)(-t)=
-12s^2+8st+3st-2t^2=
-12s^2-2t^2+11st

if you want foil

FOIL (just tells wich terms to multiply)
First
Outer
Inner
Last

exmaple
with
(a+b)(c+d)
First: a times c
Outer: a times d
Inner: b times c
Last: b times d
then add them


(-3s+2t)(4s-t)
First: -3s times 4s=-12s^2
Inner: 2t times 4s=8st
Outer: -3s times -t=3st
Last: 2t times -t=-2t^2

add them
-12s^2+8st+3st-2t^2=
-12s^2+11st-2t^2

same

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If f(x)=3x and g(x)=1/x, what is the domain of (g o f)(x)?
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Here it is given that f(x)=3x and g(x)=1/x

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Now it is given that f(x) = 3x

and it is also given that g(x) = 1/x

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3 years ago
5 + 4a = 45 <br> what does a equal
MakcuM [25]

Answer:

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7 0
3 years ago
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A triangle has side lengths of ( 4h + 2k) centimeters, (9h + 4m) centimeters, and (2m - k) centimeters. Which expression represe
enot [183]

Answer:

P = (13h+k+6m) cm

Step-by-step explanation:

Given that,

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4 0
2 years ago
Use the laplace transform to solve the given initial-value problem. y' − 2y = (t − 4), y(0) = 0
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y' − 2y = (t − 4),

y(0) = 0

Taking the Laplace transformation of the differential equation

⇒sY(s) - y (0) + Y(s) = e-s

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The Laplace remodel method, the feature within the time area is transformed to a Laplace characteristic within the frequency domain. This Laplace feature will be inside the shape of an algebraic equation and it can be solved easily.

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4 0
1 year ago
Jade says that 8÷ 1/2 means the same thing as 1/2 of 8, so the answer is 4 do you agree
algol13

Answer:

no

Step-by-step explanation:

8÷ 1/2

Copy dot flip

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They are not the same

8 0
2 years ago
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