Answer:
-3x^3 + 9x^2 + 7x + 20
Step-by-step explanation:
(3x^2 × (-x +4)) + (3x × (-x +4)) + (5 × (-x +4))=
=-3x^3 + 9x^2 + 7x + 20
I got -3x^3 + 9x^2 + 7x+ 20
Frist do distrubtive property then combine all like terms.
105 different committees can be formed.
BC = 15.01
7 x tan(65) = 15.01154844
Length oh two equal sides: 1 16/45 cm
Third side: 2 31/45 cm
length of two equal sides is x
Perimeter = x + x + ( x + 1 1/3) = 3x + 1 1/3 = 5 2/5
3x = 5 2/5 - 1 1/3 = 27/5 - 4/3 = 61/15
x = 61/45 = 1 16/45
Third side = 61/45 + 4/3 = 121/45 = 2 31/45
For
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