(3x2 + 2x + 7x3) + (10x2 + 6x + 9)
2 answers:
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25 a² + 20 ab + 4 b²
for formula
find u,v such that: u.v = a
and u+v = b then group according to
=
factor out 5a from :
factor out 2b from :
=
factor out :
=
Refine:
hope this helps!.
for formula
and u+v = b then group according to
=
factor out 5a from :
factor out 2b from :
=
factor out :
=
Refine:
hope this helps!.
Answer:
Step-by-step explanation:
We need to solve
We know that,
Using the above formula,
So, the final answer is .