PEMDAS
100 times 7 is 700
678 times 56 is 37968
700 +8 - 37968
-37260
Answer:
D
Step-by-step explanation:
one yard is 3 feet
100x3=300
Domain of 5x^2 + 2x - 1 is all real numbers.
Answer:
- x ≥ 0: x|x| = x²
- x < 0: x|x| = -x²
Step-by-step explanation:
<u>For x ≥ 0</u>
|x| = x
so
x|x| = x(x) = x²
<u>For x < 0</u>
|x| = -x
so
x|x| = x(-x) = -x²