So it's saying to
(5x^2 + 10x - 5) - (7x^2 + 4x - 9)
Collect the like terms
and regroup
(5x^2 - 7x^2) + (10x - 4x) + ( -5 + 9)
Simplify
-2x^2 + 6x + 4
Hope this helps :)
Answer:
180=x+87
-87. -87
93 = x
The value if x is 93
Step-by-step explanation:
Answer:
Option D.
Step-by-step explanation:
we know that
The area of a trapezoid is equal to
we have
substitute the values
The radius of a circle is always the square root of the number on the right. The other two numbers describe the center.
Center: (11,-15) Opposite of what's in the brackets.
Radius: sqrt(144) = 12