CHRISTIANCHARLSJIMENGO
Answered

Add the following polynomials. 1. 10b² and –7b².
2. 4xy and 8x 3.20x²y and 50x²y. 4. 9a + 5b and 7a -6b.
5. 5np - 7n² - 8p² and 10np 10np² + 20n² + 10p².
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Sagot :

KINGSLEEYGO

Answer:

[tex]1. \: 10b {}^{2} + ( - 7b {}^{2} ) = 3b {}^{2} [/tex]

[tex]2. \: \: 4xy + 8x = 4xy + 8x[/tex]

[tex]3. \: \: 20x {}^{2}y + 50x {}^{2}y = 70x {}^{2}y[/tex]

[tex]4. \: \: 9a + 5b + (7a - 6b) = 16a - b[/tex]

[tex]5. \: \: 5np - 7 {n}^{2} - 8 {p}^{2} + (10np + 20 {n}^{2} + 10p {}^{2}) = 15np + 13n {}^{2} + 2 {p}^{2} [/tex]

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