X²-4x+18=0
x= 4 ± √(16-4*1*18) / 2
x=4±√(16-72) /2
x= 4 ± √-56 /2
x = 4±2i√14 / 2
x= 2±√14 * i
Answer:6/4
Step-by-step explanation:
The fraction 8/21 cannot be simplified because the numerator and denominator don't have a common factor except 1.
10 times 'x' is 10 times whatever the value of 'x' is. I hope that makes sense.
Answer:
9 1/3 cm³
Step-by-step explanation:
First multiply two numbers.
2x2=4
Then multiply the product by the third number.
4x7/3
4 x 7
1 x 3
= 28/3 or 9 1/3
--
hope it helps
