1 year ago

Perform the operation (9x^2+6x-7)+(-9x-5)

Mathematics

1 answer:

asambeis [7]1 year ago

8 0

Answer:

9 $x^{2}$ -3x-12

9 $x^{2}$ +6x-7-9x-5

(Group liked terms)

9 $x^{2}$ +6x-9x-7-5

( subtract the numbers ) -7-5= -12

9 $x^{2}$ +6x-9x-12

( add similar elements ) 6x-9x=-3x

9 $x^{2}$ -3x-12

Step-by-step explanation:

You might be interested in

Is the quotient positive or negitive

ArbitrLikvidat [17]

I guess positive bcuz - -=+

6 0

3 years ago

Read 2 more answers

Jemima was arranging 400 packets of biscuits for a sale. She put 52 packets into a basket and displayed 25% of the remaining pac

stealth61 [152]

Answer:

87% of all the packets of biscuits Jemima displayed on the shelves.

Step-by-step explanation:

400-52=348

so, 348*25%

348*25/100

6 0

2 years ago

Rodrigo bought a pumpkin pie for $4.85 and a can of whipped cream for $1.55. He gave the cashier $7.00. How much change should R

madam [21]

Answer:
$0.60

step-by-step explanation:
4.85 + 1.55 = 6.40
7.00 - 6.40 = 0.60

7 0

2 years ago

If a movie starts at 8:40pm and ends at 11:17pm how long was the movie

ivanzaharov [21]

2 hours and 37 minutes

4 0

3 years ago

Read 2 more answers

Please help!

lions [1.4K]

Michelle's result shows f(2) = -13, selection C.

3 0

3 years ago

Read 2 more answers