Question 2(i)
Factorise the following expressions
7x-42

Open in App

Solution

$7 x = 7 \times x 42 = 2 \times 3 \times 7 T h e c o m m o n f a c t o r i s 7 ∴ 7 x - 42 = (7 \times x) - (2 \times 3 \times 7) = 7 (x - 6)$

Suggest Corrections

113

Similar questions

7 a^{2} + 14 a

5 x^{2} y - 15 x y^{2}

6 p - 12 q

- 16 z + 20 z^{3}

Factorise the following expression
$20 l^{2} m + 30 a l m$

Join BYJU'S Learning Program

Explore more

Join BYJU'S Learning Program