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OpenStudy (anonymous):
Can someone please help solve the system of equations algebraically y=x^2+2x y=3x+20
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OpenStudy (janu16):
substitution?
OpenStudy (anonymous):
would I do 2x+x^2=20+3x ? to find x?
OpenStudy (phi):
2x+x^2=20+3x yes. now write that in standard form. Notice you should get a "quadratic" and standard form is a x^2 + bx + c = 0 where a,b, c are "coefficients" (numbers)
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