Question

15a-6a(a-2)+a(3+7a)​

Answer 1

Answer:

$15a - 6 {a }^{2} - 12a + 3a + 7 {a}^{2} \\ {a}^{2} + 6a$

A square +6a

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Answer 2

Step-by-step explanation:

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Question :-

15a-6a(a-2)+a(3+7a)

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Solution :-

. According to the bodmas theory

Bodmas :-

mathematics and computer programming, the order of operations is a collection of rules that reflect conventions about which procedures to perform first in order to evaluate a given mathematical expression.

According to BODMAS rule, the brackets have to be solved first followed by powers or roots (i.e. of), then Division, Multiplication, Addition and at the end Subtraction.

Solving any expression is considered correct only if the BODMAS rule or the PEDMAS rule is followed to solve it.

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=> 15a-6a(a-2)+a(3+7a)

=> 15a-6a^2+-12a 3a+7a^2

=>. a^2+6a

=>. a( a+6).

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