Help solve this simultaneous equation

May 2010
64
0
Palmy
Can someone show me how to do this question. Thanks heaps

y=x^2-3x-2
y=2x+4
 
Feb 2010
1,036
386
Dirty South
Can someone show me how to do this question. Thanks heaps

y=x^2-3x-2
y=2x+4
so you can write:

\(\displaystyle y = y\)

\(\displaystyle x^2-3x-2 = 2x+4\)

\(\displaystyle x^2-3x-2 -2x-4=0\)

\(\displaystyle x^2-5x-6 = 0\)

can you solve this quadratic equation for x?
 
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