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Factorisation

Question

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Factorise the following expression:

7a²+ 14a

Solution

∵    7a² = 7 × a × a = (7 × a) × a

                         14a = 2 × 7 × a = (7 × a) × 2

∴ 7a²+ 14a = (7 × a)[a+2]
= 7a(a+2)

Some More Questions From Factorisation Chapter

Factorise:

22y – 33z

Factorise:

14pq + 35pqr

Find the common factors of the given term.

12x, 36

Find the common factors of the given term.

2y, 22xy

Find the common factors of the given term.

10 pq, 20qr, 30rp

Find the common factors of the given term.

3x²y³ , 10x³y², 6x²y²z

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