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Maths Exercices

Multiply polynomials to find area

Find the area. Simplify your answer.

Find the base and height of the rectangle.

base: 2x+3
height: x+1

Use these values in the area formula:

A  =  bh

 =  (2x+3)(x+1) Plug in b = 2x+3 and h = x+1

 =  2x2+2x+3x+3 Multiply the base and the height
 =  2x2+5x+3 Simplify

The area is 2x2+5x+3

Find the area. Simplify your answer.

Find the base and height of the rectangle.

base: x+3
height: x+1

Use these values in the area formula:

A  =  bh

 =  (x+3)(x+1) Plug in b = x+3 and h = x+1

 =  x2+x+3x+3 Multiply the base and the height
 =  x2+4x+3 Simplify

The area is x2+4x+3