Question

Factorise the expressions
1.
$l {x}^{2} + mx \\ 7 {y}^{2} + 35 {z}^{2} \\ 3x + 6 {x}^3y + 9 {x}^{2} z$
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Answer 1

Answer:

Hope it helps you!!

Step-by-step explanation:

lx²+mx

=x( lx+m)

7y²+35z²

=7(y²+5z²)

3x+6x³y+9x²z

=3x(1+2x²y+3xz)