Answer:
4x^2 -5x -2
Step-by-step explanation:
= 5x^2 -3x -7 -x^2 -2x +5
= (5 -1)x^2 +(-3 -2)x +(-7 +5)
= 4x^2 -5x -2
Answer: 10x + 4y + 2
The terms with an x are considered like terms so they could be subtracted.
Answer:
118•
Step-by-step explanation:
The interior side lengths are:
90
180-34
180-x
180-x
The sum of these are 360º
90 + 180-34 + 180-x + 180-x = 360
-2x = -236
x = 118º
Answer:
=21k-18
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
7^2+x^2=18^2
49+x^2=324
x^2=275
x=square root of 275
x=16.83
Your closest answer is 16.6