exam Maths Puzzle Numerical Ability

Solve using the square root property:
2x^2 � 35 = 15

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exam Other Question

4^-x = 2^2x+3 Dorian had some red and blue beads. he had 24 more red beads than blue beads. he gave away 2/3 of the red beads and 1/4 of the blue beads. Altogether, he gave away 104 beads. how many red beads did he have at first?