(2x+5)(x+1) if anyone knows the answer to it can you please help.

2 answers:

5 0

(2x-5)(x+1)=2

Move all terms to the left side of the equation and simplify.
2x2−3x−7=0

Use the quadratic formula to find the solutions.
−b±√b2−4(ac)2a

Substitute the values a=2
, b=−3, and c=−7 into the quadratic formula and solve for x
3±√(−3)2−4⋅(2⋅−7)2⋅2

Simplify.
x=3±√654

The result can be shown in both exact and approximate form.
x=3±√654
x≈2.76556443,−1.26556443

RUDIKE [14]4 years ago

3 0

2x^2+7x+5 you must multiply both equations by each other in the parenthesis

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Anni [7]

First lets write this out:-

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19 - 10 = 20 - 10

Now lets solve:-

19 - 10 =9

?
9 = 20 - 10

20 - 10 = 10

9 ≠ 10

Since 9 does not equal 10:-

19 - 10 ≠ 20 - 10

Hope I helped ya!!

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Answer:

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Step-by-step explanation:

Use the Pythagorean Theorem, which is a^2+b^2=c^2

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Answer:

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Read 2 more answers

Antonio is a freelance computer programer. In his work , he often uses the power of 2^n to find the number of ways bits (or unit

valentina_108 [34]

Answer: $2^{n} -1$

Justification:

As told in the statement, n stands for the number of bits, and $2^{n}$ is the highest number of ways n bits can be arranged in the system.

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It is 100 ..........................................................

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