Answer:
opening the bracket, the expression becomes
12x^2-28-19x^2
collect like terms
12x2-19x^2-28
-7x^2-28
-7(x^2+4)
Answer:
402?
2+ 8(50)?
not sure
Step-by-step explanation:
if so mark the brainliest!
No because if you plug in 4 for x and 5 for y you get -4 not 36
Answer:
C :She is incorrect because she should have squared each leg length and then found the sum
