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Simplifying a = (3x + 5)(7x + -1) Reorder the terms: a = (5 + 3x)(7x + -1) Reorder the terms: a = (5 + 3x)(-1 + 7x) Multiply (5 + 3x) * (-1 + 7x) a = (5(-1 + 7x) + 3x * (-1 + 7x)) a = ((-1 * 5 + 7x * 5) + 3x * (-1 + 7x)) a = ((-5 + 35x) + 3x * (-1 + 7x)) a = (-5 + 35x + (-1 * 3x + 7x * 3x)) a = (-5 + 35x + (-3x + 21x2)) Combine like terms: 35x + -3x = 32x a = (-5 + 32x + 21x2) Solving a = -5 + 32x + 21x2 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Simplifying a = -5 + 32x + 21x2
| 16r^2+56rd+49d^2= | | 8/12=x/6.5 | | 8/12=6.5/x | | (V-4)(v^2+4v+16)= | | 16.65+0.05m=22.95+0.02m | | 5(z+11)-5=35 | | 0.6+0.8=0.1-0.1y | | (4x^2+4)(4x-1)= | | 5(c-3)+3=13 | | 8/12=x/12 | | 2a(3a+11a)+3a(5a-2a)= | | 8/12=12/x | | (1-9)(1-2a)= | | (10y+7)(y-5)= | | 2(w-4)+2=24 | | 745456465651856851564753853856456885648541854586456843865418651383161333333335555555555555555555555555555555555518726536755777777775618651785318537327385353656841534564374983497887789878787478878748787788743788787438777777777777777777777777777777878787878 | | 0.081754761276482764187364879316284172397486312746873296478194697813467896478396497817819641964978671398634761789647831946197836497826397826789678196329864976419782697813697824697619276192783643286892642789266467824681963762894678918916378689716*x=0.01212 | | 7382832686286837559959565517654646595949757*x=0.00001200042050045005405404004030935903593001391390343940101019401300001 | | Sin(2x)-4cos(x)=0 | | 7x^3-x^2-9=0 | | 2(x+10)=4 | | 9c^2-49= | | 8(c+1)whenc=4 | | 11x^2(y+2)+6(y-2)= | | 48/9.6=x/40 | | 6(b-12)=0 | | 48/40=x/40 | | 4a+3whena=2 | | z=90-4x+6y | | 4x^2=61x+119 | | -(7-t)=21 | | z^2-64= |