A squares interior able sun is 360 and half of a square is a triangle making the interior angle also 180 because half of 360 is 180. Idk how else to answer this because it’s just something that we all know
Answer:
( 5x-9) (5x+9)
Step-by-step explanation:
25 x^2 - 81
Rewriting
(5x)^2 -9^2
This is the difference of squares
a^2 -b^2 = ( a-b)(a+b)
(5x)^2 -9^2 = ( 5x-9) (5x+9)
Answer:
10/a
Step-by-step explanation:
25,460 • 10 = 254,600
you can just move the zero over one spot since 10 has one zero
Answer:

Step-by-step explanation:
Given

Required
Solve, in terms of i
We have:

Solve the expressions in bracket


Express -4 as 4 * -1

Split

In complex numbers;

So, we have:


Factorize


Split
