Question

B. Subtract polynomials: (3x – 5 – 7x2) – (–2 + 6x2 – 5x)

Answer 1

Answer:

$(3x-5-7x^{2} )-(-2+6x^{2} -5x)$

$step\:1: 3x-5-7x^{2} +2-6x^{2} +5x$

$step\:2:(-7x^{2} -6x^{2} )+(3x+5x)+[(-5+2)]$

$step\:3:-13x^{2} +8x-3$

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