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

A body of mass 5kg is ejected vertically from the ground when a force of 600N acts on it for 0.1s. Calculate the velocity with which the body leaves the ground.

What current is required in the windings of a long solenoid that has 1580 turns uniformly distributed over a length of 0.44 m in order to produce a magnetic fie

If 3^2x1 = 3^x+5, what is the value of X?

how the media influences people

A chemist reacted 18.0 liters of F2 gas with NaCl in the laboratory to form Cl2 gas and NaF. Use the ideal gas law equation to determine the mass of NaCl that r

someone help please

So basically how do i ask my best friend out?

With the bag of potatoes A phraseB clause

Find the measure of the missing angle in this isosceles triangle.

Need some help with this. It says to find x.