Answer:
The answer to your question is: x⁴ + 4x³ + 8x² + 8x - 5
Step-by-step explanation:
(x² + 2x - 1)(x² + 2x + 5) = x⁴ + 2x³ + 5x² + 2x³ + 4x² + 10x - x² - 2x - 5
= x⁴ + 4x³ + 8x² + 8x - 5
Answer:
the answer is 15/4
Step-by-step explanation:
all you have to do is take the independent variable and put the sign in between.
It’s True because of 5 square is equal to 25
Than (-5) square is also get the same value as 5^2
