book
Maths Puzzle
Numerical Ability
Solve for X
2x - (2x)/7 = x/2 + 17/2
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book Other Question
Write a quadratic equation that has the following two solutions:
x = 4 and x = -9)
here is my equation
(x - 4)(x + 9) = 0
x² + 5x - 36 = 0</PRE>
add:
(6y^2+3xy+y+7)+(7y^2-xy+6y)