3 years ago

PLEASE HELP!!!! and explain too if you can.

1 answer:

8 0

Is this time lineeeeeeeeeeeeeee?

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AveGali [126]

Can someone help me on this question?

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3 years ago

Stolb23 [73]

Answer:

Step-by-step explanation:

plugin -7 for where x is

f(-7)= (-3)(-7)-5

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galina1969 [7]

Answer:

60.

Step-by-step explanation:

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3 years ago

Mariulka [41]

Answer:

$\frac{-(-3)+-\sqrt{(-3)^2-4(2)(-5)}}{2(2)}$

Step-by-step explanation:

Quadratic formula: $\frac{-b+-\sqrt{b^2-4ac} }{2a}$

$2x^2-1=3x+4\\\\2x^2-3x-5=0\\\\\\frac{-(-3)+-\sqrt{(-3)^2-4(2)(-5)}}{2(2)} \\\frac{3+-\sqrt{9+40} }{4}$

$x = \frac{3+-7}{4}$

Hope this helps and God bless!

6 0

2 years ago

bulgar [2K]

Pretty sure it’s 16TXI, hope this helps!

5 0

3 years ago