Question

Factorize:7x^2+18xy-9y^2
with whole method
explain it.​

Answer 1

Step by Step Solution:

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STEP

1

:

Equation at the end of step 1

((7 • (x2)) - 18xy) - 32y2

STEP

2

:

Equation at the end of step

2

:

(7x2 - 18xy) - 32y2

STEP

3

:

Trying to factor a multi variable polynomial

3.1 Factoring 7x2 - 18xy - 9y2

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

Found a factorization : (x - 3y)•(7x + 3y)

Final result :

(x - 3y) • (7x + 3y)