Answers created by sahar del

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How do you solve $7^{x} - 7^{x + 1} \leq - 6$ $7^ { x } - 7^ { x + 1} \leq - 6$ ?
How do you solve $8 r - r^{2} \geq 15$ $8r-r^2>=15$ ?
How do you combine like terms in $2 n^{3} (4 n^{4} - 5 n^{2} - 6) - 4 n^{3} (6 n^{2} + n^{4} - 7)$ $2n ^ { 3} ( 4n ^ { 4} - 5n ^ { 2} - 6) - 4n ^ { 3} ( 6n ^ { 2} + n ^ { 4} - 7)$ ?
How do you solve $25^{x} - 8 \cdot 5^{x} = - 16$ $25^ { x } - 8\cdot 5^ { x } = - 16$ ?
How do you divide $(n^{3} - 5 n^{2} - 33 n - 37) \div (n - 9)$ $(n^3-5n^2-33n-37)div(n-9)$ using synthetic division?
How do I use long division to simplify $\frac{12 x^{3} - 11 x^{2} + 9 x + 18}{4 x + 3}$ $(12x^3-11x^2+9x+18)/(4x+3)$ ?
How do you divide $\frac{x^{2} + 2 x - 24}{20 - 5 x} + \frac{x^{2} + 4 x - 12}{2 x + 4}$ $\frac { x ^ { 2} + 2x - 24} { 20- 5x } + \frac { x ^ { 2} + 4x - 12} { 2x + 4}$ ?
How do you evaluate the expression $2^{{log}_{2} 45}$ $2^(log_2 45)$ ?