Question

$(5 - 2x) (3 + x)$
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Answer 1

Answer:

First, multiply 5 with (3+x) i.e. 5 multiplied with 3 and then 5 with x with proper symbols.

You will get 15 + 5x and then multiply -2x with (3+x). You will get - 6x - 2x^2.

15+5x-6x-2x^2.

Solving 5x-6x you will get - x.

So, the answer will be 15-x-2x^2

Answer 2

(5-2x)(3+x)

5(3+x) -2x(3+x)
15+5x -6x-2x^2
2x^2-x+15
2x^2-(6-5)x+15
2x^2-6x+5x+15
2x(x-3)+5(x-3)
(x-3)(2x+5)
Therefore

x-3=0 , 2x+5= 0
x= (3),(-5/2 )

Hope it’s correct if any mistake pls do inform


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