Answer:
Step-by-step explanation:
we have

we know that
The sum of a quadratic equation and a linear equation will be a quadratic equation
so
Combine like terms

Answer:
C
Step-by-step explanation:
Substitute the given values for x and y into the expression
5 × (
) - 1
= 5 × (
) - 1
= (5 × 2) - 1
= 10 - 1
= 9 → C
Last one i think
x=0 or x=6
If you mean 1/3 the answer is -15.5
1/3(-32.48-14.02) = 1/3(-46.5) = (-15.5)