exam
Maths Puzzle
Numerical Ability
Multiply:
(√[3] + 2√[5])(6√[3] - √[5])
?????
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hi, i need some help solving this equation and if possible expressing my answer as an ordered pair
x-5/3y=7
4/7x+y= -13/7
I'm stuck: with 2 problems
x^3 - 5 = 3
3 3x - 2
- =1 -------
4 x + 1
would the common denominator be 4(x+1)? but that doesn't make sense ...I'm lost