exam
Maths Puzzle
Numerical Ability
How many positive real solutions are there in:
f(x) = -2x^4 = 3x^3 + 7x^2 + 2
a. 0
b. 2
c. 1
d. None, there is no x-term
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exam Other Question
Can someone help me solve this problem?
I need to solve: 4(x + 2) - 3x + x - 6
Thank you,
Lyn
Rewrite the expression x^3 - 2x^2 y + x y^2 so that it is easy to calculate the its value without a calculator when x= 21 and y = 19