1. x² = 8x + 4? 2. x² + 4 = -12x?
3. x² + 3x - 8 = 0?
4. 4x² - 4x + 11 = 0?
5. -2x² + 4x + 1 = 0?
6. 4x² = -7x + 15?
7. 3x² + 1 = 5x?
please² help me

Mathpapa and Symbolab help btw

Step-by-step explanation:

1.x=4+2√5 or x=4−2√5

2.x=−6+4√2 or x=−6−4√2

3.Go to Mathpapa

4. No solution

5. Go to Mathpapa

6.x=5/4 or x=-3

7.Go to Mathpapa

answer: 25.4 units

step-by-step explanation: radius = 12.7 units

diameter = twice the radius

diameter = 12.7 x 2

= 25.4

135 is your answer

step-by-step explanation:

try 180 times three then divide that number by 4 (sides) to get your answer. im glad to : )