I would substitute y = x^2
4y^2 -21y+20=0
Answer:
A
Step-by-step explanation:
6 is about halfway to 16
21 is about halfway to 56
they meet up, which makes the line the most accurate
Yw :D
Answer:
x² = 2x - 1
Step-by-step explanation:
x² + 1 = 2x
→ Minus 1 from both sides
x² = 2x - 1
<u>Solution</u> :
Let, the number be A
Given, A/2 + 12 = 6
⇒ (A + 24)/2 = 6
⇒ A + 24 = 12
⇒ A = 12 - 24
⇒ A = - 12
∴ the required number is (- 12). (Ans.)
Answer:
can u speak English I would love to help but I don't understand