clumsyrosie clumsyrosie

03-04-2021
Mathematics

contestada

Expand each of the following expression algebraic identities:
a) (7x+9)²
b) (1-3x)²
c) (5x+8) (5x-8)

Respuesta :

sandlanasandlana839 sandlanasandlana839

03-04-2021

Answer:

a)49x^2+126x+81

b)3x^2-6x+1

c)25x^2-64

Step-by-step explanation:

a)(7x+9)(7x+9)

49x^2+63x+63x+81

49x^2+126x+81

b)(1-3x)(1-3x)

3x^2-3x-3x+1

3x^2-6x+1

c)(5x+8)(5x-8)

25x^2-40x+40x-64

25x^2-64

Answer Link

Otras preguntas

People who lived in groups that developed their own customs, hunted and gathered, and produced cave art can be considered a civilization. a. True b. False

An independent clause is missing a subject stands alone cannot stand alone is missing a verb

How much more money do 10 T-shirts cost that 6 T-shirts? Explian how you found your answer.

What type of heterotroph is a fish?

Which sentence uses appropriate punctuation? Helen arrived unannounced when the house was a mess and we weren't ready for visitors. Helen arrived unannounced. W

which is an example of how ecosystems on earth affect each other

Summary- In what ways is Islam a way of life as well as a set of beliefs?

What's another name for the water cycle? A. evaporation cycle B. hydrological cycle C. condensation cycle D. hydrogen cycle

ronald states that number 1/11 is not rational because, when converted into a decimal, it does not terminate. nathaniel says it is rational because it is fracti

What type of charge does an neutron