Answer:
a=2,b=-3 and c=-2
Step-by-step explanation:
(2x+1)(x-2)=0
2x²-4x+x-2=0
2x²-3x-2=0
Comparing it with the standard form of quadratic equation ax²+bx+c=0 we get
a=2,b=-3 and c=-2
Answer:
Step-by-step explanation:
6/7 = 0.8571428571 = 0.86
Answer:
The expression equivalent to 8 - (6r + 2) is -6r + 6 ⇒ A
Step-by-step explanation:
Let us solve the question
∵ The expression is 8 - (6r + 2)
→ Multiply the bracket by (-)
∵ (-) × (+) = (-)
∴ 8 - (6r + 2) = 8 - 6r - 2
→ Add the like terms
∵ 8 - (6r + 2) = (8 - 2) - 6r
∴ 8 - (6r + 2) = 6 - 6r
→ Switch the terms
∴ 8 - (6r + 2) = -6r + 6
∴ The expression equivalent to 8 - (6r + 2) is -6r + 6
30 % because 55 - 30 is 25 and the nearst tenth is 30
