Answer:
x = -7 or x = 1
Step-by-step explanation:
2x^2 + 4x - 7 = x^2 - 2x
x^2 + 6x - 7 = 0
(x + 7)(x - 1) = 0
x + 7 = 0 or x - 1 = 0
x = -7 or x = 1
Answer:
26-17i
Step-by-step explanation:
remove parentheses
group like terms
add similar elements
add the numbers
Hope it helps :)