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Maths Puzzle
Numerical Ability
One factor of x^3+2x^2-11x-12 is x+4. Find the remaining factors.
The answer I came up with is x-1;x+3.
Is this correct?
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book Other Question
Find the product of the matrices
6 -2 * -4 -2 5
1 4 4 -6 -1 please explaine it briefly
0 5
next question solve the matrix equation
-1 2 2 1 = 3 -2
-4 6 x- 3 0 1
The winning car in a race had an average speed of 203.7 miles per hour. This was b miles per hour faster than the second-place car. Write an expression for the average speed of the second-place car.