exam Maths Puzzle Numerical Ability

Please help factor my homework question. thanks!

(2q+5)(3q-4)= 0

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ex.wk6

Problem #5
Simplify:

2radical (12) + 4 radocal (27)

Problem #6

Simplify:

radical (7) TImes radical (14)

Problem #7

Simplify:
(7 + radical (5)) (7-rad a small square is constructed. then a new square is made by increasing each side by 2 meters. the perimeter of the new square is 3 meters shorter than 5 times the length of one sid