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franciscovazquez623
15.11.2020 •
Mathematics
A square poster has an area measure of 324x^2 + 540x + 225 square units. Determine the side length of the poster.
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Ответ:
Given the area, we need to find the side length. Let's start with the area equation for a square, where
is the side length and
is the area.
Substitute in the known value.
Now we need to factor the trinomial. The trinomial given for the area is a perfect square trinomial since
(
) and
(
) are both perfect squares.
We also know that
, which we can use to factor.
Now, take the square root of both sides to fully isolate
.
Keep in mind that the square root of any value squared is the original value.
Ответ:
Step-by-step explanation: