Answer:
a.51
b.131.5
d.131.5
w.131.5
x.51
y.131,5
z.51
don't know the rest
Step-by-step explanation:
Step-by-step explanation:1math problem in 30seconds
Given
Required
First, calculate
We have:
This gives:
Substitute
Split
This gives
answer is A
(3+5x+1) (−2x+4)
=(3+5x+1)(+−2x+4)
=(3)()+(3)(−2x)+(3)(4)+(5x)()+(5x)(−2x)+(5x)(4)+(1)()+(1)(−2x)+(1)(4)
=3−6+12+5−10+20x+−2x+4
=3 − + 3 + 18x +4
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