SOLUTION: A rectangle has dimensions 3x + 5 and x+7. write an expression for the area of the rectangle as a product and as a polynomial in standard form.

Question 842965: A rectangle has dimensions 3x + 5 and x+7. write an expression for the area of the rectangle as a product and as a polynomial in standard form.
Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
The area product is simply , which can multiply if desired to obtain .

You can use Completion of the Square on the trinomial product to put this trinomial into standard form. You would want this form to be like .
Study the lesson http://www.algebra.com/tutors/Completing-the-Square-Using-Pictures.lesson?content_action=show_dev
Which explains the process, meaning, and method very thoroughly.
RELATED QUESTIONS
A rectangle has demensions 3x+5 and x+2. Write an expression for the area of the... (answered by Alan3354)

A rectangle has demensions 3x+5 , x+2. write an expression for the area of the rectangle... (answered by stanbon)

A rectangle is inscribed in a circle of radius r. If the rectangle has length 3x, write... (answered by ikleyn)

The rectangle shown has a perimeter of 46 cm and the area as 76 cm^2. Its length is 7... (answered by Alan3354)

Write an expression for the area of a rectangle with length 5x2+3x and width 3x2. Hint:... (answered by mananth)

A rectangle is inscribed in a circle of radius r. If the rectangle has a length of 3x,... (answered by greenestamps,ankor@dixie-net.com)

write an expression for the perimeter and area of a rectangle that has a width of 2x and... (answered by stanbon)

how do I write this as an equation The product of length and width is the area of a... (answered by ewatrrr)

A rectangle has length 4x �1 and a width 2x + 1, write an algebraic expression for the... (answered by ewatrrr)