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Maths Puzzle
Numerical Ability
what is 275+52+8=
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book Other Question
"solve for x"
1) 4x^2+12x+9=0
2) 7(x+2)^2=12
3) 2x^2-8x+5=0
4) (2x-5)/(x-3)=(4x+1)/(2x)
p.s. thanks
x^2-6x-7>0