The number of squares on a chess or checker board is 64 and to find the square root of 64 which is 8*8=64 so the answer is 8
Answer:
Area = l x w
Area = (x + 1)(x + 7)
Area = x² + 7x + x + 7
Area = x² + 8x + 7
Step-by-step explanation:
Answer:
The variable in that expression is x
