Math, asked by wiseseptic, 7 months ago

Factorise: 20 -45(m+n)2.

Answers

Answered by techansiksinghtomar

1

Answer:

-70(m+n)

Step-by-step explanation:

20-45(m+n)2

20-45(2m+2n)

20-90m-90n

20-90(m+n)

-70(m+n)

-70m-70n

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