Question

Urgent Medals for both answers-
What is the simplified form of (2x2 +4x-3)(3x+1)?
A. 6x3+ 10x2-5x+3
B.6x3+14x +5X-3
C.6x3+14x2-5X-3
D.6x3-10x2-5X-3

Answer 1

6x^3 + 14x^2 - 5x - 3

Answer 2

Do you know of the FOIL method?

Answer 3

Multiply the first term in the first set of parenthesis by every term in the second set, and continue on by multiplying the second term in the first set of parenthesis by everything in the second set... do you understand?

Answer 4

C is the right answer

Answer 5

Second Question_The radius of a cylinder is 3 x -2cm.The height of the cylinder is x ++3cm.What is the surface area of the cylinder? use formula a =2 pie r 2+ 2pie rh?
A. 2 pie (3x2=10x-8)
B.2 pie (12x2 +7x-2)
c.2Pie (12x2-2x+13)
d.2pie (12x2-5x-2)

Answer 6

Do you know how to find the area of a circle? Do that first... the formula is a = pir^2

Answer 7

i think its c .

Answer 8

hold on let me check

Answer 9

Yes, you're right. Only it would be pi not pie ;)

Answer 10

Grt haha Yeap I need some pie after that one _ Can you check the others above to make sure they r all right >:)

Answer 11

Sure! What questions?

Answer 12

What is the simplified form of (x-2)(2x+3))
My answer 2X2 +x-6

Answer 13

What is the simplified form of (3x+2)(4x-3)
My answer-12x2-x-6

Answer 14

The answer is 4x - x - 6, instead of adding the x

Answer 15

And the other one would be 12x - x-6 and the 12x wouldn't be negative :)

Answer 16

The first one choice is
2x2-x-6
2x2-6
2x2-7x-6
2x2+x-6

Answer 17

Those are the choices for this question: (3x+2)(4x-3) ??

Answer 18

no
(x-2)(2x+3)

Answer 19

Oh okay, that question would be 2x^2 - x - 6

Answer 20

OK so the other is (3x+2)((4x-3)?

Answer 21

That one would be 12x - x - 6

Answer 22

12x2 18x=6
12x2+x-6
12x2+18x-6
12x2-x-6

Answer 23

The last option.

Answer 24

Sorry, I forgot to put the squared symbol. It's 12x^2 - x - 6

Answer 25

ur awesome ty i may need your help again , i have more math hw fri ... if you don't mind