Dimension of rectangles are 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

Dimension of rectangles are 3x+5 and x+7
Write an expression for the area of the rectangle as a product and as a polynomial in standard form.

anonymous · Answer

@Luigi0210

anonymous · Answer

@321oky ccan u help

anonymous · Answer

1.
8x6+6x5+2x4
2.
8x3−28x2+4x−6x2+21x−3
=8x3−34x2+25x−3
3.
2x4+x3+6x2+8x3+4x2+24x−6x2−3x−18
=2x4+9x3+4x2+21x−18

anonymous · Answer

Area of Rectangle = First Side*Other Side or Length*Breadth Therefore, Required Polynomial = 2*(x - 4)*(x + 5)
=2(x2+5x−4x−20)
=2x2+2x−40

anonymous · Answer

So what do u right all what u put? on the first comment or second