Hello,
if the aim is to factorise:
81x²-4y²=(9x)²-(2y)²=(9x-2y)(9x+2y)
But the sides may also be and an other expression....
Answer:
3 7/9
Step-by-step explanation:
Answer:
Convert the fraction to a decimal number. The fraction bar between the top number (numerator) and the bottom number (denominator) means "divided by." ...
Multiply by 100 to convert decimal number to percent. 0.25 × 100 = 25%
Step-by-step explanation: