Math, asked by manasakumar1357, 19 days ago

If A=3x 2-5x-7and B=-2x²+5x+8 then find A+B

Answers

Answered by vanshmittal81
1

Answer:

A = 3x² - 5x - 7

B = -2x² + 5x + 8

A + B = 3x² - 5x - 7 + (-2x² + 5x + 8)

= 3x² - 2x² - 5x + 5x - 7 + 8

= 1x² + 1

= x² + 1

= x² = -1

x = √-1

x = i (i is imaginary number)

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Answered by amtulamera
0

Answer:

Step-by-step explanation:

(3x^2-5x-7) + (-2x^2+5x+8)

3x^2-2x^2-5x+5x-7+8

X^2+1

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