Answer:
x = 2
2x + 1 = -x +7 Add and subtract
3x = 6 divide
x = 2
Answer:
Move all terms to the left side and set equal to zero. Then set each factor equal to zero.
x
=
−
1
,
−
7
but its (1,7)
Step-by-step explanation:
(4x + 2)(4x - 2) = 16x^2 - 8x + 8x - 4
Combine like terms 16x^2 - 4
Explanation
Just multiply the each term in the first parentheses by the other terms in the second parentheses.
Answer:
5k + 9
Step-by-step explanation:
3k + 4 + 2k + 5 =
= 5k + 9