Question

find the area length 9a^2-a+15 breadth a^2-3​

Answer 1

Answer:

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Answer 2

Answer:

$9 {a}^{4} - {a}^{3} -12 {a}^{2} + 3a - 45$

Step-by-step explanation:

$(9 {a}^{2} - a + 15) \times ( {a}^{2} - 3)$

First multiply 9a^2 by a^2 and -3.

Then multiply -a by a^2 and -3.

Then multiply 15 by a^2 and -3.

Your answer will look like this below.

$9{a}^{4}-{a}^{3}-27 {a}^{2}+15 {a}^{2}+3a - 45$

Simplify the expression.

The answer is,

$9 {a}^{4} - {a}^{3} - 12 {a}^{2} + 3a - 45$

Hope you got your answer.

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