We have: nbsp; nbsp; nbsp; nbsp;x2+14x+49=x2+2 #215;x #215;7+72 #160; #160; #160; #160; #160; #160; #160; #160; #160; #160; ...

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Factors of Algebraic Expressions and Factorisation

Factorise:x2+...

Question

Factorise:
x² + 14x + 49

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Solution

We have:
$x^{2} + 14 x + 49 = x^{2} + 2 \times x \times 7 + {(7)}^{2} = {(x + 7)}^{2}$

∴ $x^{2} + 14 x + 49 = {(x + 7)}^{2}$

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Similar questions

x^{2} + 14 x + 49

x^{2} + 49 + 14 x

Which of the following are the factors of $x^{2} + 14 x + 49$ ?

P (x) = x^{2} - 14 x + 49

f (x) = \sqrt{1 - \sqrt{x^{2} - 14 x + 49}}

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