Question

22question
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Answer 1

Answer:

(19/3)x^2 - (5/3)x - 56/3

Answer 2

Answer:

Answer:-9$x^{2}$+7x-56

Step-by-step explanation:

Sum of 7$x^{2}$-4x+6 and -x/3+13

7$x^{2}$-4x+6+13-x/3

7$x^{2}$-4x-x/3+19

7$x^{2}$12x-x/3+19

7$x^{2}$-13x/3+19

21$x^{2}$-13x+57----------equation 1

Sum of 13$x^{2}$-5x+1/3 and 1/3$x^{2}$-x

13$x^{2}$-5x+1/3 + 1/3$x^{2}$-x

13$x^{2}$+1/3$x^{2}$-5x-x+1/3

29$x^{2}$+$x^{2}$/3-6x+1/3

30$x^{2}$/3-6x+1/3

10$x^{2}$-6x+1/3

30$x^{2}$-6x+1--------------equation 2

According to the question we have to subtract equation 1 from equation 2

30$x^{2}$-6x+1-(21$x^{2}$-13x+57)

30$x^{2}$-21$x^{2}$+13x-6x+1-57

Answer:-9$x^{2}$+7x-56