adayisenga
18.11.2019 •
Mathematics
Task 1 area in this task, you will calculate the area of a complicated shape by splitting it into simpler shapes. cut out shape c. shape c is not a regular shape, so you cannot directly apply a formula to find its area. split shape c into simpler shapes whose areas you can find by applying formulas. part a list the simple shapes into which you divided shape c, and measure their sides. write all the measurements in inches.
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Ответ:
x = -4.
Step-by-step explanation:
y^2-3y-40/y^2+9y+20
= ( y - 8)(y + 5) / (y + 5)(y + 4)
= (y - 8)/(y + 4)
So the restriction is when x +4 = 0
That is when x = -4.