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Answer:
(b) 3x^2 +6x+4
Step-by-step explanation:
(6x+7+x^2)+(2x^2-3)
= (1 +2)x^2 +(6)x +(7 -3) . . . . combine like terms
= 3x^2 +6x +4
Answer:
D. 20/7
Step-by-step explanation:
Since
4/7 = x/5
Multiply the left side by x and the right side by 4 as shown below
7*x = 4*5
7x = 20
Then dividing both sides by 7 would cancel on the left
7x/7=x
X = 20/7
Hi,
This demonstrates how to put normal from to fraction and then divide to get a result.
Hope this helps.
r3t40