InterviewSolution
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InterviewSolution
| 1. |
Use the suitable identity to find (9x+4) (9x+3) step by step |
| Answer» <html><body><p></p><p><img align="absmiddle" alt="(x + a )(x + b) = x ^{2} + (a + b)x + ab \\" class="latex-formula" id="TexFormula1" src="https://tex.z-dn.net/?f=%28x%20%2B%20a%20%29%28x%20%2B%20b%29%20%3D%20x%20%5E%7B2%7D%20%20%2B%20%28a%20%2B%20b%29x%20%2B%20ab%20%5C%5C%20" title="(x + a )(x + b) = x ^{2} + (a + b)x + ab \\"/></p><p></p></body></html> | |