Enrhifo
16+39x-x^{2}
Ehangu
16+39x-x^{2}
Graff
Rhannu
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9x^{2}+24x+16-5x\left(2x-3\right)
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(3x+4\right)^{2}.
9x^{2}+24x+16-10x^{2}+15x
Defnyddio’r briodwedd ddosbarthu i luosi -5x â 2x-3.
-x^{2}+24x+16+15x
Cyfuno 9x^{2} a -10x^{2} i gael -x^{2}.
-x^{2}+39x+16
Cyfuno 24x a 15x i gael 39x.
9x^{2}+24x+16-5x\left(2x-3\right)
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(3x+4\right)^{2}.
9x^{2}+24x+16-10x^{2}+15x
Defnyddio’r briodwedd ddosbarthu i luosi -5x â 2x-3.
-x^{2}+24x+16+15x
Cyfuno 9x^{2} a -10x^{2} i gael -x^{2}.
-x^{2}+39x+16
Cyfuno 24x a 15x i gael 39x.
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