Answer:
10t+3
Step-by-step explanation:
X^2-81=x^2-9^2=(x+9)(x-9)
this is the answer
Answer:
Step-by-step explanation:3,9,27,81 because this is multiplication
Answer:
x = 
Step-by-step explanation:
Given
x -
= 
Multiply through by 10 ( the LCM of 5 and 10 ) to clear the fractions
8x - 1 = 3 ( add 1 to both sides )
8x = 4 ( divide both sides by 8 )
x =
= 