Math, asked by unknownarmy567, 16 days ago

Factorise the following expression
1. 7x – 42
2. x square + xy + 8x + 8y
3. 20l square m + 30alm
4. 49p square - 36

Answers

Answered by sarabjitkour17

1

Answer:

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Step-by-step explanation:

1. 7x-42

7×x-7×2×3 (comman factors)

7(x-6) ANS.

2.x square + xy + 8x + 8y

x(x+y)+8(x+y)

(x+8)(x+y) ANS.

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