Enrhifo
\left(3x+2\right)\left(3x+14\right)
Ehangu
9x^{2}+48x+28
Graff
Rhannu
Copïo i clipfwrdd
9x^{2}+48x+64-36
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(3x+8\right)^{2}.
9x^{2}+48x+28
Tynnu 36 o 64 i gael 28.
9x^{2}+48x+64-36
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(3x+8\right)^{2}.
9x^{2}+48x+28
Tynnu 36 o 64 i gael 28.
Enghreifftiau
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