exam
Maths Puzzle
Numerical Ability
Can you please help me with this? I have no idea how to work these.
(3x squared - 7x + 5)+(-2x squared + 7x - 8)
(5y squared - 3y + 4)-(3y squared - 7y + 2)
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exam Other Question
WHY IS VARIABLES USEFUL IN ALGEBRA
Solve the equation:
sqrtx+4 = 3
I tried to keep this seperated because the square root is x + 4.
I am going to assume I need to make X equal the 3 leaving me with this:
X= -1
sqrt-1+4 = 3
Is this the right process?