Question

Factorise 4p^2 + 9q^2

Answer 1

Answer:

■4p^2 + 9q^2

■16p^2 + 81q^2 Answer

Answer 2

Answer:

-12pq

Step-by-step explanation:

4p²+9q²=(2p+3q)²

(a+b)=a²+b²+2ab

(2p+3q)²=4p²+9q²+12pq

hence,

4p²+9q²=-12pq

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