# The Length of a rectangle is (5x+2) cm and its width is (3x+1) cm. find its area.

2
by AiraGabon

2014-07-23T20:48:24+08:00

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Since the area of an rectangle is L x W, the answer will be (5x+2)(3x+1) = 15x² + 11x + 2

Pwede po paki lagay ng solution? thank you!
quadratic formula for the value of x
2014-07-23T20:58:18+08:00

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
(5x+2)(3x+1) = Area

Use FOIL method:
F:    5x
· 3x = 15x²
O:     5x · 1 = 5x
I :      2 · 3x = 6x
L :       2 · 1 = 2

(5x+2)(3x+1) = 15x² + 5x + 6x + 2 = 15x² + 11x + 2