ellenharley7 ellenharley7

29-01-2019
Mathematics

contestada

Subtract -7a^2+3a-9−7a
2
+3a−9 from 5a^2-6a-45a
2
−6a−4.
Your answer should be a polynomial in standard form.

Respuesta :

xotiffanyxoxo7169 xotiffanyxoxo7169

01-02-2019

You will subtract these top 2
[tex] - 7 {a}^{2} + 3a - 9 - 7 {a}^{2} + 3a - 9[/tex]

[tex]5 {a}^{2} - 6a - 45 {a}^{2} - 6a - 4[/tex]
and this bottom one is your ANSWER

[tex] - 12 {a}^{2} - 110a - 22[/tex]

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