Factorise the given expressions :
a) (6p2 – 36p + 30) b) (256 − 64y + 4y2
)

a) Factorizing we get

b) Factorizing we get

Step-by-step explanation:

Factorise the given expressions :

a)

First we take 6 common:

So, factorizing we get

b)

Rearranging terms:

Taking 4 common

So, factorizing we get

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step-by-step explanation:

2 tens + 6 ones

1 ten + 16 ones

0 tens + 26 ones

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls