5x²+13x-4-17x²-7x+19+15x²+5x-21x-7=
=5x²+15x²-17x² +(13x-7x+5x-21x) -4-7+19=
=3x²-10x+8
Answer:
1 to 4
Step-by-step explanation:
I don't think u want the explanation
The correct answer is graph B, I hope this helps you out, have an amazing day!!!
Answer:
54
Step-by-step explanation:
7(6)-4(6-6)+12
42-0+12
54
Send it to a tutor !! on brainly
