exam Maths Puzzle Numerical Ability

(3x+5)2 = 0 [2 is a square sign ]

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exam Other Question

Solve using the square root property:
(x + 3)2 = 49
Give the zeros of the function, f(x)= x squared + 6x + 8 over x squared + 4x +4
A. All real numbers except -2 and -4
B.-2 and -4
C. all real numbers excpet -2
D. -4