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10 September, 04:50

Simplify - 2√45+3√3+2√3 Question 4 options: A.-6√5+6√3 B.-2√5+6√3 C.-6√5+5√3 D.-18√5+5√3

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  1. 10 September, 05:14
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    C

    Step-by-step explanation:

    You're probably stuck by this problem. Let's rewrite the problem.

    -2√45 + 3√3 + 2√3

    The first part of simplifying the expression is to simply the radicals. Since 45 has a factor which is a square, let's simplify.

    -2√45 = - 2√5 * 9 = (-2 * 3) √5 = - 6√5Let's just continue simplifying and dissect the 3√3 + 2√3.3√3 + 2√3 = 5√3 ... The answer is ... 5√3 - 6√5 or - 6√5 + 5√3, C
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