exam
Maths Puzzle
Numerical Ability
Solve by using the quadratic formula
5x^2 + 5x = 3
Can anyone help me out with this problem please? Thank you
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exam Other Question
One invention saves 30 percent on fuel; A second saves 45 percent; a third saves 25 percent. If you use all three inventions at once, how much fuel can you save?
Solve the system of equations.
2x + y = 0
x - 3y + z = 0
3x + y - z = 0