Answer:
(y + 7i)(y - 7i)
Step-by-step explanation:
It cannot be factored using real numbers, but consider
7i × - 7i
= -49i² and i² = - 1
= 49
The factoring as a difference of squares to obtain
y² + 49 = (y + 7i)(y - 7i)
Answer:
The answer is 105.
Step-by-step explanation:
Square root 50 does not belong....all of the other numbers are rational numbers. square root 50 is irrational.
Answer:
Its the instrument that measures unknown quality of goods.
Step-by-step explanation:
