Attach picture below for accurate anserw
Answer:
18 and 19
Step-by-step explanation:
Answer:
9x^4 -x
Step-by-step explanation:
( -8x + 3x^4 ) - ( -7x - 6x^4 )
Distribute the minus sign
( -8x + 3x^4 ) +7x + 6x^4
Combine like terms
3x^4 + 6x^4 -8x +7x
9x^4 -x
Answer:
7
Step-by-step explanation:
Substitute 2 for x.

Answer:
x = 30
Step-by-step explanation:
The figures are similar, thus the ratios of corresponding sides are equal, that is
=
( cross- multiply )
27x = 810 ( divide both sides by 27 )
x = 30