Solve the following system of equations using the
2 answers:
Answer:
The solutions are 3 and -5
Step-by-step explanation:
x+3=x^2+3x-12
x^2+2x-15
=(x-3)(x+5)
y = x² + 3x - 12
y = x + 3
Substitute the second value of y into the first equation, and you'll have
x + 3 = x² + 3x - 12
Now solve
0 = x² + 2x - 15
0 = (x + 5)(x - 3)
x = - 5, x = 3
With -5, you'll get y = - 2
With 3, you'll get y = 6
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Step-by-step explanation:
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Please mark brainliest and have a great day!
180=(180-108)+x+(180-4x)
180=72+x+180-3x
180=252-3x
-72=-3x
72=3x
x=24
You should ask your parent/guardian
or teacher if needed! Merry Christmas!
