What is (-8r^2+11r-6)+(-7r^2-9r+14) ?

The solution to (-8r^2+11r-6)+(-7r^2-9r+14) is -15r^2+2r+8

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simplify (-8r^2+11r-6)+(-7r^2-9r+14)

simplify

(- 8 r^{2} + 11 r - 6) + (- 7 r^{2} - 9 r + 14)

- 15 r^{2} + 2 r + 8

Solution steps

(- 8 r^{2} + 11 r - 6) + (- 7 r^{2} - 9 r + 14)

Simplify

(- 8 r^{2} + 11 r - 6) + (- 7 r^{2} - 9 r + 14) : - 8 r^{2} + 11 r - 6 - 7 r^{2} - 9 r + 14

= - 8 r^{2} + 11 r - 6 - 7 r^{2} - 9 r + 14

Group like terms

= - 8 r^{2} - 7 r^{2} + 11 r - 9 r - 6 + 14

Add similar elements:

- 8 r^{2} - 7 r^{2} = - 15 r^{2}

= - 15 r^{2} + 11 r - 9 r - 6 + 14

Add similar elements:

11 r - 9 r = 2 r

= - 15 r^{2} + 2 r - 6 + 14

Add the numbers:

- 6 + 14 = 8

= - 15 r^{2} + 2 r + 8

\frac{7 m + 42}{m ^{2} + 3 m - 18}

11 \times 11

\frac{2}{9}

\frac{9}{24}

\frac{y ^{2}}{y}

What is (-8r^2+11r-6)+(-7r^2-9r+14) ?
The solution to (-8r^2+11r-6)+(-7r^2-9r+14) is -15r^2+2r+8