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CaHeK987 [17]
2 years ago
13

Solve by completing the square.

Mathematics
1 answer:
Leona [35]2 years ago
3 0

Answer:

28- 4±\sqrt{21}

30- -4±2i

Hope this helps!

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Step-by-step explanation:

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HELP ME PLEASE !!!!!!
koban [17]

Answer:

13.08

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
12+(8x(4+3)+2)-6 evaluate the expression
Slav-nsk [51]
Let's simplify step-by-step.<span><span><span>12+<span><span>8x</span><span>(<span>4+3</span>)</span></span></span>+2</span>−6</span><span>=<span><span><span><span>12+<span>56x</span></span>+2</span>+</span>−6

</span></span>Combine Like Terms:<span>=<span><span><span>12+<span>56x</span></span>+2</span>+<span>−6</span></span></span><span>=<span><span>(<span>56x</span>)</span>+<span>(<span><span>12+2</span>+<span>−6</span></span>)</span></span></span><span>=<span><span>56x</span>+8

</span></span>Answer:<span>=<span><span>56x</span>+<span>8

Good luck mate :P
</span></span></span>
5 0
3 years ago
Read 2 more answers
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