Answer:
x=8
Step-by-step explanation:
(2x + 1)² = x² + (2x - 1)² = x² + (2x - 1)(2x - 1)
(2x + 1)(2x + 1) = x² + 4x²-2x-2x+1
4x²+2x+2x+1 = 5x²-4x+1
4x²+4x+1 = 5x²-4x+1
0= 5x²-4x²-4x-4x+1-1
0= x²-8x
x²-8x=0
x²=8x
x=8
Answer: A. 4.
Explanation: solving graphically
Answer:
for GM, you find out the square root of the product of the numbers provided.
since 72 can be broken down into the product of 36 and 2. 6 being the square root of 36 comes out, leaving 2 behind.
Answer: -8 1/2 I think
Step-by-step explanation:
First you make -8 1/3 a improper fraction
than you find common denominators
and you keep the sign of the biggest number
simplify if possible
