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Simplifying (7x + -4)(9x2 + 2x + 1) = 0 Reorder the terms: (-4 + 7x)(9x2 + 2x + 1) = 0 Reorder the terms: (-4 + 7x)(1 + 2x + 9x2) = 0 Multiply (-4 + 7x) * (1 + 2x + 9x2) (-4(1 + 2x + 9x2) + 7x * (1 + 2x + 9x2)) = 0 ((1 * -4 + 2x * -4 + 9x2 * -4) + 7x * (1 + 2x + 9x2)) = 0 ((-4 + -8x + -36x2) + 7x * (1 + 2x + 9x2)) = 0 (-4 + -8x + -36x2 + (1 * 7x + 2x * 7x + 9x2 * 7x)) = 0 (-4 + -8x + -36x2 + (7x + 14x2 + 63x3)) = 0 Reorder the terms: (-4 + -8x + 7x + -36x2 + 14x2 + 63x3) = 0 Combine like terms: -8x + 7x = -1x (-4 + -1x + -36x2 + 14x2 + 63x3) = 0 Combine like terms: -36x2 + 14x2 = -22x2 (-4 + -1x + -22x2 + 63x3) = 0 Solving -4 + -1x + -22x2 + 63x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
| (4r-7)(r^2-4r+3)= | | z-5z=9z-9-12 | | (3c-8)(3c^2+5c+1)= | | (a+5)(7a^2-5a+1)= | | (5c+4)(6c^2-c+4)= | | 5a-a+7a-8a=0 | | (2s+9)(s^2+9s+2)= | | (9r+1)(7r^2+2r+2)= | | -2(x+3)=4x-6 | | (5x-9y)(7x^2+xy+5y^2)= | | (9a-7b)(4a^2-2ab+5b^2)= | | 2x^2-5x-2=(x-2)(x-2) | | (5c+7)(8c^2+c+7)= | | 2x^2-7x+6=(x-2)(x-2) | | (2x+5y)(9x^2-3xy-y^2)= | | (v-5)(v-5)=2v^2-16v+33 | | (3r-5)(6r^2+2r+1)= | | (7+r)(7+r-3r^2)= | | (a-3)(6a^2+3a-1)= | | 2y^2+11y+21=(y+7)(y+7) | | (2c+5d)(3c^2-8cd+d^2)= | | (7s+1)(9s^2-s+5)= | | (4-3c)(7+c+2c^2)= | | x^2y-1=cx | | (9r-8s)(5r^3-4rs-s^2)= | | 0.8x-0.2(50+x)=0.76(50) | | (2a+9)(8a^2-2a+1)= | | (x+2)(7x^2-4x-3)= | | c=2mr | | (5c-6d)(6c^2+5cd+d^2)= | | 9x^(-1/2)=1 | | 9x^(-1/2) |