Question

(a² – 7ab+c) + (15ab – 3a²+2c²) is a-​

Answer 1

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$- {2a}^{2} + 8ab + {3c}^{2}$

• IT IS A TRINOMIAL.

Answer 2

Answer:

(a² – 7ab+c) + (15ab – 3a²+2c²)=

${a}^{2} - 3{a}^{2} - 7ab + 15ab + c + 2 {c}^{2}$

=

$2 {a}^{2} + 8ab + 2 {c}^{2} + c$

=

$2( {a}^{2} + 4ab + {c}^{2} ) + c$

=

it is a quadrinomial