Which is a solution to the equation?
(x-2)(x=5)=18
2 answers:
Expand
x^2+3x-10=18
minus 18 both sides
x^2+3x-28=0
find what 2 numbers mutiply to -28 and add to 3
7 and -3
(x+7)(x-3)=0
set each to zero
x+7=0
x=-7
x-3=0
x=3
x=-7 and 3
You might be interested in
Answer:
Everything but A and C
Step-by-step explanation:
The answer are below, the work is show step by step.
D it's store d, it's the cheapest