3 years ago

Solve by factoring... plz show the work. !x^2+9+20. ?

1 answer:

Helen [10]3 years ago

6 0

if you meant x^2+9x+20 then it is (x+4)(x+5) you know that because 4+5=9 and 4x5=20 using FOIL

You might be interested in

miss Akunina [59]

Answer:9

Step-by-step explanation:

5 0

3 years ago

alex41 [277]

$\leadsto f( \rm x) = - (x - 3)(x - 5)$

$\\ \\$

$\leadsto f( \rm x) = - ( {x}^{2} - 5x - 3x + 15) \\$

$\\ \\$

$\leadsto f( \rm x) = - ( {x}^{2} - 8x + 15) \\$

$\\ \\$

$\leadsto f( \rm x) = - {x}^{2} + 8x - 15 \\$

3 0

3 years ago

Verdich [7]

Answer:

The answer is -15.75 because 4= -16= -79 you have to turn 16 positive so add 16 to -79 to get -63 then divide by 4 to get the answer -15.75.

5 0

2 years ago

kenny6666 [7]

Answer:

40 quarts

Step-by-step explanation:

1 gallon=4

4•10=40

5 0

3 years ago

crimeas [40]

0.00523

10 to the power of 2 equals 100, and 0.523 divided by 100 is 0.00523

8 0

3 years ago

Solve by factoring... plz show the work. !x^2+9+20. ? ​