2 years ago

Can someone plz help me w this

Mathematics

2 answers:

allochka39001 [22]2 years ago

6 0

4x2 is 16x
(3x-1, 3-x : 2x+2)
18x+11

Rasek [7]2 years ago

3 0

(3x - 1)(3 -x)+x^2 + 19

a)
(3x - 1)(3 -x)+x^2 + 19
=9x - 3x^2 - 3 + x + x^2 + 19
= -2x^2 + 10x + 16

b) evaluate at x = 2

-2x^2 + 10x + 16
= -2 (2^2) + 10(2) + 16
= -8 + 20 + 16
= 28

c)
from part (a)
-2x^2 + 10x + 16

= -2 (x^2 - 5x - 8) (complete factor)

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