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astra-53 [7]
2 years ago
6

4√3 − 5√7 + 2√3 + 6√7

Mathematics
2 answers:
neonofarm [45]2 years ago
3 0

Answer:

\dashrightarrow \: { \tt{4 \sqrt{3}  - 5 \sqrt{7}  + 2 \sqrt{3} + 6 \sqrt{7}  }} \\  \\  \dashrightarrow \: { \tt{(4 - 2) \sqrt{3}  + (6 - 5) \sqrt{7} }} \\  \\  \dashrightarrow \: { \tt{2 \sqrt{3} +  \sqrt{7}  }} \\  \\  \dashrightarrow \: { \tt{ \sqrt{3 \times 4}  +  \sqrt{7} }} \\  \\   \dashrightarrow \: { \tt{ \sqrt{12}  +  \sqrt{7} }}

vazorg [7]2 years ago
3 0

Answer:

Step-by-step explanation:

4\sqrt{3} - 5\sqrt{7} +2\sqrt{3} +6\sqrt{7}=4\sqrt{3} + 2\sqrt{3} -5\sqrt{7}+6\sqrt{7}

                                        =(4+2)\sqrt{3}+ (-5 +6)*\sqrt{7}\\\\=6\sqrt{3}+1\sqrt{7}

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Let the vertex point be S.
To find the coordinates of the vertex S, you follow those steps:
First, to find the x of the vertex, you takes what's between the absolute value and make it =0
x - 7 = 0
Add 7 in both sides to get the variable x alone on a side and its value on the other side:
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So S(7;y)

Now to find y, we replace x by its value and do the calculus:
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