Question

factorise 9x^{2} +16y^{2}++25z^{2}+24xy-40yz-30xz

Answer 1

Answer:

(3x+4y-5z) (3x+4y-5z)

Step-by-step explanation:

Formula Used :- [ a+b-c]²= a²+b²+c²+2ab-2bc-2ca.

(3x)² + (4y)² + (5z)² + 2*3x*4y - 2*4y*5z - 2*5z*3x

:::---- [3x + 4y - 5z ] ²

----- (3x+4y-5z) (3x+4y-5z) .

I HOPE IT HELPS U