X to the power of 2 plus 5x July 8, 2019 16 32 64 128 X to the power of 2 plus 5x plus 6 X to the power of 2 plus y to the power of 2 X to the power of 2 plus x to the power of 2 X to the power 5 5 to the power of 2 times 5 to the power of 3