for the equation 2x(3x+5)+3(3x+5)=ax^2+bx+c , if this equation is true for all values of x,what is the value of b if a,b,and c a
re constants
1 answer:
Answer:
b=19
Step-by-step explanation:
2x(3x+5)+3(3x+5)=ax2 +bx+c
by expansion,
6x2 +10x +9x+15=6x2 +19x +15
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x-15 = 8
add 15 to each side
x = 23
Answer:
C
Step-by-step explanation:
Honestly I don’t even know what this is sorry I tried
10*5+10*5*1 I think this is the right way
