If A = 4x² ⁻ y² and B = 2y² - 7x + 5x² then A + B is *
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Answer:
9x²+ y²-7x
Step-by-step explanation:
To find : A + B
A= 4x² ⁻ y²
B = 2y² - 7x + 5x²
A+B = (4x² ⁻ y²) + (2y² - 7x + 5x²)
==> (4+5)x² +(-1+2)y² -7x
==> 9x²+ y²-7x
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