19-05-2017
Mathematics

contestada

What is the product of polynomials (2a - 7 + a2) and (5 - a) ?

Respuesta :

popboomtap popboomtap

19-05-2017

If I am correct, the answer should be 14a

Answer Link

19-05-2017

2a-7+a2 (5-a)
multiply 5 to all terms 2a,-7,a2
And -a to 2a,-7,a2
2a (5)-7 (5)+a2 (5)+2a (-a)-7 (-a)+a2 (-a)
simplify
10a-35+5a2-2a2+7a-a3
rearrange and simplify
-a3+5a2-2a2+10a+7a-35
-a3+3a2+17a-35

Answer Link

Otras preguntas

The _____ functional group can always be found in a carbohydrate molecule.

Who was the leader of france during the louisiana purchase

how does this work? Answers please!

A student throws a water balloon with speed v0 from a height h = 1.78 m at an angle θ = 25° above the horizontal toward a target on the ground. The target is lo

A wireless router attempts to transmit a packet to a laptop. The probability that the packet is received by the laptop is 0.8. To be confident that the packet g

Olivia grew up in a society where mourners pull out their hair, go into an emotional frenzy, and speak in tongues. On a visit to the United States, she did thes

Is it normal to talk to people that aren’t there (not voices) and be unaware? It could be with someone you know or multiple strangers... asking for a friend.

Dr. Washington is interested in studying the relationship between test scores, coded from zero percent to 100 percent, and the number of hours studying for the

why was reconstrution of the south likely to be difficult process?

4. How is a scientific hypothesis different from a scien- tific theory?