2 years ago

(7k-4)(7k^2+4k-1) mulityply the polynomials

Mathematics

1 answer:

stich3 [128]2 years ago

6 0

Answer:

49k^3 -23k -4

Step-by-step explanation:

The distributive property is your friend.

$(7k-4)(7k^2+4k-1)=7k(7k^2+4k-1)-4(7k^2+4k-1)\\\\=49k^3+28k^2-7k-28k^2-16k+4\\\\=49k^3+k^2(28-28)+k(-7-16)-4\\\\=\boxed{49k^3-23k-4}$

You might be interested in

What are the steps used to transform the general form of the equation of a circle to standard form

Bezzdna [24]

Answer:

Step-by-step explanation:

Convert the equation of a circle in general form shown below into standard form. Find the center and radius of the circle. Group the x 's and y 's together. Consider the x2 and x terms only. Complete the square on these terms. Replace the x2 and x terms with a squared bracket.

4 0

2 years ago

When a teacher divided her students into groups of four, she had three students remaining. when she divided them into groups of

AfilCa [17]

39 students....39/4 = 9 remainder 3
39/5 = 7 remainder 4

ur answer is 39

5 0

2 years ago

2) (-10) + (-7) shoe work

Sladkaya [172]

A negative plus a negative equals a negative so it's just -17

7 0

2 years ago

You plan on buying new flooring for your bedroom. Your bedroom is a rectangle that is 12.7 ft. by 14.25 ft. How many square feet

joja [24]

Answer:

180.975 square feet

Step-by-step explanation:

est: 181 square feet

4 0

2 years ago

A sentence must contain an adjective to be a complete sentence??? True or false

pashok25 [27]

False because the sentence can be completed well without adjective too

4 0

2 years ago