Question

a(4а + 3) - 2а(а - 7) - За(За – 4)​

Answer 1

Answer:

a(4а + 3) - 2а(а - 7) - За(За – 4)

$= 4 {a}^{2} + 3a - 2 {a}^{2} + 14a - 9 {a}^{2} + 12a$

$= - 7 {a}^{2} + 29a$

= a(-7a+29)

Answer 2

Answer:

Step-by-step explanation:

= a(-7a+29)

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