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Factorisation Using Algebraic Identities

Factorise: x2...

Question

Factorise:
$x^{2} + 14 x + 49$

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Solution

$x^{2} + 14 x + 49 = (x)^{2} + 2 \times x \times 7 + (7)^{2} = (x + 7)^{2} A n s .$

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Q. Factorise:
x² + 14x + 49

x^{2} + 14 x + 49

x^{2} + 49 + 14 x

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

Q. List the multiplicities of the zeroes of the polynomial

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

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Factorisation Using Algebraic Identities

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