Enrhifo
\left(2x-7\right)\left(2x+1\right)
Ehangu
4x^{2}-12x-7
Graff
Rhannu
Copïo i clipfwrdd
4x^{2}-12x+9-16
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(2x-3\right)^{2}.
4x^{2}-12x-7
Tynnu 16 o 9 i gael -7.
4x^{2}-12x+9-16
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(2x-3\right)^{2}.
4x^{2}-12x-7
Tynnu 16 o 9 i gael -7.
Enghreifftiau
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