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Maths Puzzle
Numerical Ability
Please Factor the following 4 problems
21X^4 + 18X^2 + 36X^3
3T^2 - 5T - 2T^4
-3A^10 + 9A^5 - 6A^15
9M^3 - 7M^4 + 8M^2
Thank You for your help
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book Other Question
I've been trying to figure out how to get an answer for these two equations, plus their explanations if possible.
1. A if/then (B if/then C)
2. A and X
3. B and (Y and Z)
7. The sum of two numbers is 17 and the sum of their square is 145. Find the larger number.
a. 10 b. 11 c. 8 d. 9 e. none
The answer is D, but how? Please help me prepare for my