Question

Dividing Polynomials...Please show the steps while answering the questions!!!
1.) (a^2− 28) ÷ (a − 5)
2.) (42x^2-33) ÷ (7x + 7)
3.) (x^2− 74) ÷ (x − 8)

Answer 1

So for the first one, \(\dfrac{a^2 - 28}{a - 5}\) right?

Answer 2

yes

Answer 3

Actually, do you know how to multiply \((a + 5)(a - 5)\) ?

Answer 4

yes foil method

Answer 5

i need to know how to do long division with these polynomials

Answer 6

Or you can apply difference of squares:

\((a + b)(a - b) = a^2 - b^2\)

Answer 7

i kind of know but these are hard with binomials

Answer 8

the division

Answer 9

x^2-74 are binomials

Answer 10

I was showing you a trick method.

Answer 11

i have to use the division method only,my teacher said.

Answer 12

help please

Answer 13

I'll show you how to do the first one.