Question

MEDAL AND FAN

Simplify.

(x2 + 5x + 1)(x2 + x + 3)

A.
x4 + 6x3 + 9x2 + 16x + 3

B.
2x2 + 8x + 15

C.
x4 + 2x3 + 6x2 + 7x + 14

D.
x4 + 8x2 + 15

Answer 1

@Hero @Abhisar anyone please

Answer 2

Use the distribution principle

Answer 3

x^4+x^3+3x^2

Answer 4

5x^3+5x^2+15x

Answer 5

Use FOIL
=(x^2)(x2)+(x^2)(x)+(x^2)(3)+(5x)(x^2)+(5x)(x)+(5x)(3)+(1)(x^2)+(1)(x)+(1)(3)

Answer 6

x^4+3x^2+3x^2+5x^3+5x^2+15x+1x^2+1x+3

now i needa simplify

Answer 7

@pooja195 is it A

Answer 8

yep :) good job! :D