3 years ago

Simplify (x2 + 7x + 12)(x2 + 3x + 5).

1 answer:

8 0

Hi there

(x² + 7x + 12)(x² + 3x + 5)
Distribute
(x²)(x²) + (x²)(3x) + (x²)(5) + (7x)(x²) + (7x)(3x) + (7x)(5) + (12)(x²) + (12)(3x) + (12)(5)
= x^4 + 3x^3 + 5x^2 + 7x^3 + 21x^2 + 35x + 12x^2 + 36x + 60
= x^4 + 10x^3 + 38x^2 + 71x + 60

Good luck !

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