FLVS Algebra 1 help.?
What are the solutions of x2 + 3x − 18 = 0? Show all work for full credit.
Im really bad at this . Please help and no rude comments.
What are the solutions of x2 + 3x − 18 = 0? Show all work for full credit.
Im really bad at this . Please help and no rude comments.
Comments
x² + 3x − 18 = 0
factor the left side of the equation
(x + 6)(x - 3) = 0
set each factor equal to 0
(x + 6) = 0
x = -6
(x - 3) = 0
x = 3
thus the solution is x = {-6, 3}
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solution check
for x = -6
x² + 3x - 18 = 0
(-6)² + 3(-6) - 18 = 0
36 - 18 - 18 = 0
36 - 36 = 0
0 = 0 <------- true
for x = 3
x² + 3x - 18 = 0
(3)² + 3(3) - 18 = 0
9 + 9 - 18 = 0
18 - 18 = 0
0 = 0 <------- true
Is there a photo of the homestead with its dimensions categorised in words of x? without seeing it, that's no longer a chance to respond to the questions. (I wasn't allowed get properly of entry to to the link that you blanketed.)