Answer:where’s the pic
Step-by-step explanation:
Answer:
98 degrees .............
brainly.com/question/28299043
I answered it here.
176=12
(f+g-k)(x) means to add the equations f(x) and g(x) then subtract k(x)
2x^2 + 3x + 4x - 9 = 2x^2 +7x -9
2x^2 + 7x - 9 - x^2 -7x = x^2 -9
The answer is : x^2 - 9
