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Question

What is the square root of the polynomial x2+10x+25(x+5)4 using factorisation method?

A
1x+5
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B
1x+5
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C
1(x+5)2
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D
xx+5
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Solution

The correct option is A 1x+5
x2+10x+25(x+5)4
Factor of x2+10x+25=(x+5)2
x2+10x+25(x+5)4=(x+5)2(x+5)4
= 1(x+5)2
= 1x+5

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