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What side lengths should be used to model a rectangle with an area of x2 + 3x – 10 square units?

x – 5 and x + 2
x – 2 and x + 5
x and x + 3
x + 3 and x – 10

2 Answers

10 votes

Answer:

B. x-2 and x+5

Explanation:

User Jeremy Fisher
by
3.5k points
5 votes

Answer:

x - 2 and x + 5

Explanation:

Given Area Of rectangle

= x² + 3x - 10

= x² + ( 5 - 2)x - 10

=x² + 5x - 2x - 10

= x ( x + 5 ) - 2 ( x + 5 )

= ( x + 5 ) ( x - 2 )

Hope it will help :)❤

User GeorgeQ
by
3.6k points