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OpenStudy (anonymous):
Could someone explain step by step, how to solve: x^2 + 3x = x^2 + 11x + 28
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OpenStudy (campbell_st):
1st collect like terms subtract x^2 from both sides leaves 3x = 11x + 28
OpenStudy (anonymous):
I've gotten to that stage, but I need to find what X is, as it's a simultaneous equation.
OpenStudy (campbell_st):
its not simultaneous just subtract 3x from both sides 8x + 28 = 0 can you solve that..?
OpenStudy (anonymous):
Ah right I see, thanks! x=-7/2.
OpenStudy (campbell_st):
hope it helps
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OpenStudy (anonymous):
Yes, it helped me a lot, thanks again :)
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