Mathematics: What are the possible values for x in the equation 4x²=641) x=02) x=43) x=4,-44) x=0,4,-4

What are the possible values for x in the equation

Ответ:

allieallie

30.12.2021

$4x^2=64\\ \\4x^2-64 =0 \ \ /:4 \\ \\ x^2-16 =0 \\ \\x^2-4^2=0 \\ \\ (x-4)(x+4)=0 \\ \\ x-4=0 \ \ or \ \ x+4 =0 \\ \\ x=4 \ \ or \ \ x= -4 \\ \\Answer : \ 3) \ \ x=4,-4$

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Ответ:

C4171

06.04.2020

Mathematics

Step-by-step explanation:

0.35 m^2 = 0.35 * 100 * 100 = 3500 cm^2 ( as there is 100 cm in a meter).

So the maximum number of small rectangles she can cut

= 3500 / 700

= 5.

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What are the possible values for x in the equation 4x²=64
1) x=0
2) x=4
3) x=4,-4
4) x=0,4,-4

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