3 years ago

Solve for x in the equation 2x^2+3x-7 = x^2+ 5 x + 39

Mathematics

2 answers:

AnnyKZ [126]3 years ago

8 0

Answer:

$X=1+\sqrt{47}$

Step-by-step explanation:

Hope this helps

Mark me as brainiest

Ne4ueva [31]3 years ago

5 0

Answer:

x1= 1 + √47

x2= 1 - √47

I use a handheld calculator to solve the problem

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3 years ago

3.57 x 10 write in standard form

Bess [88]

$\huge\text{Hey there!}$

$\textsf{3.57}\times\textsf{10}^\mathsf{3}\\\\\mathsf{10^3}\\\mathsf{\rightarrow 10\times10\times10}\\\mathsf{\rightarrow100\times10}\\\mathsf{\rightarrow 1,000}\\\\\textsf{3.57}\times\textsf{1,000}\\\rightarrow\textsf{3,570}\\\rightarrow\mathsf{3.57\times10^3}\\\\\huge\boxed{Answer: {\frak{3.57\times 10^3}}}\huge\checkmark$