Answers edited by Odlisss
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How do you simplify #9(x - 2) –3(x – 1)#?
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!