b) x² + 2x -7- (-11 x²) - 5x -1
sol :
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Answered by
10
Step-by-step explanation:
x² + 2x - 7 - (-11x²) - 5x - 1
x² + 2x - 7 + 11x² - 5x - 1
x² + 11x² + 2x - 5x - 7 - 1
12x² - 3x - 8
i hope it helps you
Answered by
0
X^2 + 2x-7+11x^2-5x-1
= (x^2+11x^2)+(2x-5x)-7-1
=12x^2-3x-8
= (x^2+11x^2)+(2x-5x)-7-1
=12x^2-3x-8
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