exam Maths Puzzle Numerical Ability

can you help me solve

4x^2≥13x-3

here is my answer: (-∞,3)u (3,1)

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exam Other Question

SIMPLIFY EACH RADICAL ASSUME THAT ALL VARIABLES REPRESENT POSITIVE REAL NUMBERS

SQ ROOT OF 27 OVER 2+ THE SQ ROOT OF 3 I have been struggling with this math problem for awhile now and I was wondering if anyone could help me? I would deeply appreciate it!! Please and Thank You!!

Adding and Subtracting Polynomials
Solve.
3-2x(x-1)=x(3-2x)-(x-3)