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Ainat [17]
4 years ago
5

Simplify: (3x^2 + 2x + 7x^3) + (10x^2 + 6x + 9)

Mathematics
2 answers:
Ulleksa [173]4 years ago
7 0
3x^2 + 2x + 7x^3 + 10x^2 + 6x + 9 ....combine like terms
7x^3 + 13x^2 + 8x + 9 <===
Sergeeva-Olga [200]4 years ago
5 0
Combine Like Terms:<span>=<span><span><span><span><span><span>3<span>x2</span></span>+<span>2x</span></span>+<span>7<span>x3</span></span></span>+<span>10<span>x2</span></span></span>+<span>6x</span></span>+9</span></span><span>=<span><span><span><span>(<span>7<span>x3</span></span>)</span>+<span>(<span><span>3<span>x2</span></span>+<span>10<span>x2</span></span></span>)</span></span>+<span>(<span><span>2x</span>+<span>6x</span></span>)</span></span>+<span>(9)</span></span></span><span>=<span><span><span><span>7<span>x3</span></span>+<span>13<span>x2</span></span></span>+<span>8x</span></span>+<span>9
answer is A</span></span></span>
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