Factorise the following :​

1. (−4b+3x)(a−2y)

2. (m−n)(m+4)

Step-by-step explanation:

1) 3ax−6xy+8by−4ab

−4ab+3ax+8by−6xy

(−4b+3x)(a−2y)

2) m2−mn+4m−4n

m2−mn+4m−4n

(m−n)(m+4)

i. (a - 2y)(3x - 4b)

iii. (m + 4)(m - n)

Step-by-step explanation:

i. 3ax - 6xy + 8by - 4ab

Taking 3x common from 1st two terms and -4b from last two

= 3x(a - 2y) - 4b(a - 2y)

Taking ( a - 2y) as common

= (a - 2y)(3x - 4b)

iii. m² - mn + 4m - 4n

Arrange the terms as below

=m² + 4m - mn - 4n

Taking m common from 1st two terms and -n from last two terms

=m(m + 4) - n(m + 4)

Taking (m+4) as common

= (m + 4)(m - n)

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step-by-step explanation: lol

step-by-step explanation:

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