Simplify: {108} + {125} - {75}

Correct Answer is : 3+55{3} + 5{5}3+55

Correct Answer is : 3+55{3} + 5{5}3+55

Test Index

WAEC Mathematics 2018 Paper

Question : 1

Total: 50

Simplify:

\sqrt{108} + \sqrt{125} - \sqrt{75}

Solution:

$\sqrt{108} + \sqrt{125} - \sqrt{75}$

= $\sqrt{3 \times 36} + \sqrt{5 \times 25} - \sqrt{3 \times 25}$

= $6\sqrt{3} + 5\sqrt{5} - 5\sqrt{3}$

= $\sqrt{3} + 5\sqrt{5}$

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