Answer:
C
Step-by-step explanation:
Because c has the variables in the right spot and the other ones don't make scene
Answer:
=
Step-by-step explanation:
Alrighty
remember
means
and
and
for all real values of x
so
means
means
which simplifies to
1=x²+4x-5
minus 1 both sides
0=x²+4x-6
use quadratic formula or complete the square
and
2 solutions
Answer:
Step-by-step explanation:
The LCM of 14, 21 and 6 is 42
We require to change the fractions to fractions with a denominator of 42
+ +
= + + ← add the numerators, leaving the denominator
=
= ← divide both values by 2
= ← in simplest form