3(6x - 1) = 12
Answer:
soln
18x-3=12
18x=15
so,x=5/6
will give brainlyst
Answer:
B = 13.75
Step-by-step explanation:
B. -x^2+x+42
C. 7+x
D. x^3-7x^2-49x=343
Answer:
B
Step-by-step explanation:
(f - g)(x) = f(x) - g(x), then
f(x) - g(x)
= 49 - x² - (7 - x) ← distribute by - 1
= 49 - x² - 7 + x ← collect like terms
= - x² + x + 42 → B