if the length is 8ft and the width is (7+x) then the area would be 56+8x, if x is unknown.
Answer:
yes she is right
Step-by-step explanation:3x + 3 is the same as 3 + 3x.
the zero adds nothing to the 3x term. So this means that 3x +3 and 3 + 3 are the same.
i hope this helps you.
Add 3 on both sides of the equation
3x=0
divide 3 on both sides of the equation
x=0
Answer:
When we are trying to square a number say x, to x²,then we multiply the number x with number of powers
here since it is x² we multiply x × x
if it is x³,then x × x × x