dishonnabrownpcn6i2 dishonnabrownpcn6i2

01-04-2020
Mathematics

contestada

Multiply (5a+7)(5a-7)

Multiply 5a75a7 class=

Respuesta :

Milanifaye Milanifaye

01-04-2020

Answer:

25a^2-49

Step-by-step explanation:

1)use FOIL

F=first

O=out

I=inside

L=last

5a*5a+5a*-7+7*5a*7*-7

25a^2-35a+35a-49

25a^2-49

Hope this helps!

Answer Link

latoriab latoriab

01-04-2020

=25a^2-49
Steps
1)Simplify:(5a)^2-7^2
2)evaluate:25a^2-49

Answer Link

Otras preguntas

what is a common way that an artifact is used at the beginning of a story? a. to establish a chronological order of the events in the story b. to give the reade

What is the value of n 9 times 27+2 times31-28

Use the data in the table to write a multiplication or a division story for each number fact.Solve.

Let f(x) = −4x + 7 and g(x) = 10x − 6. Find f(g(x)).

in which layer of the sun does hydrogen fusion occur

Canada has 10 provinces and _____ territories A. 3 B. 4 C. 6 D. 2

Which one of the following words illustrates the addition of a vowel suffix? A dangerously B tenderness C likely d careful

Dale has three dollars more than twice the amount of money that Leo has. Which statement makes this comparison using the correct variable expression? If Leo has

how much seconds are in 250 minutes?

3(5b-1)=5 solve for b 4(3y-1)=20 solve for y