3 years ago

Expand. Your answer should be a polynomial in standard form. (x + 5)(x +3)

1 answer:

3 0

Answer: x^2+8x+15

Step-by-step explanation:

(x+5)(x+3)

x^2+3x+5x+15

x^2+8x+15

You might be interested in

gulaghasi [49]

Answer:

2(x - 9.46)(x + 2.54)

Step-by-step explanation:

2(x² - 12x + 24)

since there are no factors that multiply to 24 and add to -12 then i used the quadratic formula to get:

6+2 $\sqrt{3}$ , 6-2 $\sqrt{3}$

7 0

3 years ago

alex41 [277]

Answer:

Step-by-step explanation:

$(a+b)^2=a^2+2ab+b^2\\\\\text{We have}\ x^2+6x+c=x^2+2(x)(3)+c\\\\\text{Therefore}\ c=3^2=9\\\\x^2+2(x)(3)+3^2=(x+3)^2$

6 0

3 years ago

alexandr402 [8]

Answer:

$f(x) = \frac{3}{x} \\\\g(x) = x - 5$

Step-by-step explanation:

3 0

1 year ago

dangina [55]

I’m sure you can do this on a calculator just input 75 + 25/100.

3 0

3 years ago

tester [92]

You would have to divide by three and then you would get ____cal per bar

6 0

3 years ago