Answers edited by Odlisss
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How do you solve
(2/5)x + (1/5)y = -1
and
x + (2/5)y = -(8/5)
?
How do you work out the x intercepts of the equation
y=2(x-4)^2-3
by factorising? Thanks!
How do you simplify
9(x - 2) –3(x – 1)
?