Answer:
x can be cancelled
Step-by-step explanation:
we are given

Firstly, we will factor numerator and denominator
and then we can factor it


now, we can factor denominator


now, we can replace it

we can see that
both terms are having x common
so, x can be cancelled
So,
x can be cancelled
Question: What value of c will complete the square below (
) and make the expression a perfect square trinomial?
Answer: c = 225
Step-by-step explanation:
Perfect square trinomials come in the form a² + 2ab + b², which is equal to (a + b)². In the presented trinomial, we can immediately identify that <u>a = x, and b² = c</u>, but we need to find the numerical value of
.
To do this, note that the middle term, or <u>2ab, corresponds with (is equal to) 30x</u>. We know that a = x, and thus, <u>2ab = 2bx</u>. Now, 2bx and 30x are corresponding terms; thus, <u>2bx = 30x</u>.
Dividing by
on both sides gives us <u>b = 15</u>. Therefore, c = b² = 15² = 225. (As a squared binomial, this would be (x + 15)² as a = x and b = 15.)
Answer:
C
Step-by-step explanation:
Answer:
180%
Step-by-step explanation:
A full box shaded in plus 80% of another box is 180%.
That's answer exactly is -5