Aromātai
30x^{2}-28x-98
Whakaroha
30x^{2}-28x-98
Graph
Tohaina
Kua tāruatia ki te papatopenga
40x^{2}-35x+56x-49+\left(5x+7\right)\left(-2x-7\right)
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 5x+7 ki ia tau o 8x-7.
40x^{2}+21x-49+\left(5x+7\right)\left(-2x-7\right)
Pahekotia te -35x me 56x, ka 21x.
40x^{2}+21x-49-10x^{2}-35x-14x-49
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 5x+7 ki ia tau o -2x-7.
40x^{2}+21x-49-10x^{2}-49x-49
Pahekotia te -35x me -14x, ka -49x.
30x^{2}+21x-49-49x-49
Pahekotia te 40x^{2} me -10x^{2}, ka 30x^{2}.
30x^{2}-28x-49-49
Pahekotia te 21x me -49x, ka -28x.
30x^{2}-28x-98
Tangohia te 49 i te -49, ka -98.
40x^{2}-35x+56x-49+\left(5x+7\right)\left(-2x-7\right)
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 5x+7 ki ia tau o 8x-7.
40x^{2}+21x-49+\left(5x+7\right)\left(-2x-7\right)
Pahekotia te -35x me 56x, ka 21x.
40x^{2}+21x-49-10x^{2}-35x-14x-49
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 5x+7 ki ia tau o -2x-7.
40x^{2}+21x-49-10x^{2}-49x-49
Pahekotia te -35x me -14x, ka -49x.
30x^{2}+21x-49-49x-49
Pahekotia te 40x^{2} me -10x^{2}, ka 30x^{2}.
30x^{2}-28x-49-49
Pahekotia te 21x me -49x, ka -28x.
30x^{2}-28x-98
Tangohia te 49 i te -49, ka -98.
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