Question

factorise a2-ab-20b2 solve it ​

Answer 1

Answer:

((a2) - ab) - (22•5b2)

STEP

2

:

Trying to factor a multi variable polynomial

2.1 Factoring a2 - ab - 20b2

Try to factor this multi-variable trinomial using trial and error

Found a factorization : (a + 4b)•(a - 5b)

Answer 2

Step-by-step explanation:

STEP

1

:

Equation at the end of step 1

((a2) - ab) - (22•5b2)

STEP 2-

Trying to factor a multi variable polynomial

2.1 Factoring a2 - ab - 20b2

Try to factor this multi-variable trinomial using trial and error

Found a factorization : (a + 4b)•(a - 5b)

Final result :

(a + 4b) • (a - 5b)

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