stephantuttle5 stephantuttle5

18-06-2020
Mathematics

contestada

how do I solve? 4a^2+4x-15

Respuesta :

ronhagrid310 ronhagrid310

18-06-2020

Answer:

a = 3/2 or a = -5/2

Step-by-step explanation:

4a^2 + 4x - 15 = 0

<=> 4a^2 + 4x + 1 - 16 = 0

<=> (2a + 1)^2 - 4^2 = 0

<=> (2a + 1 - 4)(2a + 1 + 4) = 0

<=> (2a - 3)(2a + 5) = 0

<=> a = 3/2 or a = -5/2

I hope this helps!

Answer Link

Otras preguntas

Evaluate the triple integral

How can Alzheimer's disease be definitively diagnosed? Blood Test O Autopsy O CT Scan O MRI All questions

urgent! Which characteristic of American Romanticism is evident in these lines from Longfellow's "A Psalm of Life"? Lines 7-8: "Dust thou art, to dust returnest

Which valve prevents backflow into the right ventricle?.

please help me, The teacher adds a third Blue flag. This makes it harder for the Red team to win, just like

how did slavery VS abolition lead up to the war?

if the economy is in long-run equilibrium at potential output and the money supply ______ then in the long run, prices will decrease and output will ___ g

How many fingers does the human body have?

Mora includes the poem in her speech to entertain her audience with stories from her own childhood. Encourage her audience to remember their family history. Edu

Most meteors burn up in the