Question

find the area off a rectangle of length (x^2+5x+8) and breadth (x^2+2x-3)

Answer 1

Answer:

i don't know

Step-by-step explanation:

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Answer 2

Answer:

x⁴+7x³+15x²5x³+x-24

Step-by-step explanation:

Length= x²+5x+8

Breadth= x²+2x-3

So, area= l×b= (x²+5x+8)(x²+2x-3)

= x²(x²+2x-3)+5x(x²+2x-3)+8(x²+2x-3)

= x⁴+2x³-3x²+5x³+10x²-15x+8x²+16x-24

= x⁴+7x³+15x²5x³+x-24