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# What is 3x2 plus 8x plus 5?

Updated: 4/28/2022

Wiki User

14y ago

= (3x + 5)(x + 1) so x = -5/3 or -1

Wiki User

14y ago

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Q: What is 3x2 plus 8x plus 5?
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### X2 plus 8x equals -3x2 plus 5?

x2+8x = -3x2+5 4x2+8x-5 = 0 (2x+5)(2x-1) = 0 x = -5/2 or x = 1/2

(x + 1)(3x + 5)

-8x + 3x2 - 3

### How many times does 3x2 plus 8x plus 5 touch or cross the x axis?

If you mean: 3x2+8+5 = 0 Then it crosses the x axis at points -1 and -5/3

### How do you factor an equation with a squared number in it. Example 5 minus 8x plus 3 times x squared?

5 - 8x + 3x2 = 3x2 - 8x + 5 (since the sign of the second term is negative, then 5 can be factored as (-1)(-5)) = (3x - )(x - ) (try to put 1 or 5 to the empty places, in order to obtain -8x) = (3x - 5)(x - 1)

In general, no.

two negative

### What is x2 8x-3x2 5 in ax2 bx c0?

Assuming the 2 is meant to be a square this is the form: x2 - 3x2 = -2x2 + 8x + 5

### How many times does the graph of 3x2 plus 8x plus 5 cross the x-axis?

Twice. Between negative two and negative one.

### Put the equation in the form ax2 plus bx plus c equals 0 x2-3 equals 3x2 plus 8x?

2x^2 + 8x + 3 = 0

### What is (6(3x2) plus 8x-3) plus (3(3x2)-7x plus 2) simplified?

The sum 6 (3x^2) + 8x -3 plus 3 (3x^2) - 7x + 2 = 27 x^2 + x -1

### How do you write 8x plus 4y equals 5?

8x plus 4y equals 5 is 8x + 4y = 5.