Mathematics
posted by India .
simultaneous equation
x squared = 4y
x = y+2

Express 3x squared + 2x + 1 in the form a(x+p)squared + q where a,p and q are real numbers

x^2 = 4y and x = y+2
sub the 2nd into the first
(y+2)^2 = 4y
y^2 + 4y + 4 = 4y
y^2 + 5y = 0
y(y+5) = 0
y = 0 or y = 5
if y = 0 , then x = 40 = 4
if y = 5 , then x = 4(5) = 9
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