3 years ago

-2(2) what is the answer

Mathematics

2 answers:

Vadim26 [7]3 years ago

7 0

Answer:

The answer will be -4.

Step-by-step explanation:

You mulitply -2 by 2 and it equals -4.

If u need further explanation plz let me know:)

Have a great rest of ur day!!!!

MrRa [10]3 years ago

5 0

-2(2) = -4

when you multiply one negative and one positive you will end up with an answer that is negative

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Step-by-step explanation:

We need to solve by completing the square method.

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The Completing square method is: (a+b)^2 = a^2+2ab+b^2

Solving:

$p^2 +10p - 3 = 0\\For \,\,making\,\,perfect\,\,square\,\,we\,\,add\,\,and\,\,subtract\,\,(5)^2\\p^2+2(p)(5)^2+(5)^2-3-(5)^2=0\\(p+5)^2-3-25=0\\(p+5)^2-28=0$

Solving $p^2 +10p - 3 = 0$ by completing the square method we get $(p+5)^2-28=0$

Keywords: completing the square method.

Learn more about completing the square method at:

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