Question

Factorise = 121a²-16b²-56bc-49c²​

Answer 1

Answer:

STEP

1

:

Equation at the end of step 1

(((121•(a2))-(16•(b2)))-56bc)-72c2

STEP

2

:

Equation at the end of step

2

:

(((121 • (a2)) - 24b2) - 56bc) - 72c2

STEP

3

:

Equation at the end of step

3

:

((112a2 - 24b2) - 56bc) - 72c2

STEP

4

:

Final result :

121a2 - 16b2 - 56bc - 49c2