Question

A=2x2-3x+5 and B=3X-2x2+7
If A+2B=
a)2x2-3X-19
b)-2x2+3X+19
c) 2x2-3x+19
d) None​

Answer 1

Answer:

c is right options and

Step-by-step explanation:

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Answer 2

Answer:

$a = {2x}^{2} - 3x + 5 \\ b = 3x - {2x}^{2} + 7 \\ a + 2b \\ = 2 {x}^{2} - 3x + 5 + 6x - 4 {x}^{2} + 14 \\ = - {2x}^{2} + 3x + 19 \\ a + 2b = 3x - {2x}^{2} + 19$

option b is correct answer