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3x2 = 75 - Find the value of x.​

Sagot :

LucasEJPidn
First Simplify the numbers we know. Therefore we get: x2=75/3 which is the same as x2=25

Now find the square root of 25, which is 5 or -5. Therefore x=5 or -5

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[tex]\blue\textsf{\textbf{\underline{\underline{Question:-}}}}[/tex]

3x²=75. What is x?

[tex]\blue\textsf{\textbf{\underline{\underline{Answer and How to Solve:-}}}}[/tex]

First, divide by 3 on both sides:-

x²=25       Next, take the square root of both sides:-

x=5, x=-5 (remember, x² =x times x (x times itself); 5 times itself gives 25, and -5 times itself also results in 25)

[tex]\dashrightarrow\bigstar\boxed{\boxed{\underline{\bold{So\:the\:value\:of\:x\:is\:5\:and\:-5}}}}\dashleftarrow[/tex]

Good luck.

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