simulateous equations

maniac · May 8, 2011

Solve the simultaneous equations
y ? 3x + 2 = 0
y2 ? x ? 6x2 = 0

the number 2 after 6x represents squared.

thankyou guys!

Denis · May 8, 2011

maniac said:
y ? 3x + 2 = 0
y2 ? x ? 6x2 = 0

y - 3x + 2 = 0 [1]
y^2 - x - 6x^2 = 0 [2] : use ^ for "squared"

From [1]: y = 3x - 2
Substitute in [2] to get a quadratic : solve it for x; from that,
get y by substituting x in [1]

simulateous equations

maniac

New member

Denis

Senior Member