Step-by-step explanation:
10=7-m
10-7=-m
3=-m
m=-3
Step-by-step explanation:
picture is not clear but I guess 2,-2
19y-9. you distribute -3 into (-4y +3) to get 12y -9 and then you combine like terms so 12y +7y to get 19y and you still have the -9 so the simplest form would be 19y-9
Answer:
x=(5±√17)/4, or x ≈ 2.281 and 0.219
Step-by-step explanation:

plug into quadratic formula

simplify

≈ 2.281 and 0.219