Enrhifo
25\left(x+4\right)^{2}
Ehangu
25x^{2}+200x+400
Graff
Rhannu
Copïo i clipfwrdd
25x^{2}+200x+400
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(5x+20\right)^{2}.
25x^{2}+200x+400
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(5x+20\right)^{2}.
Enghreifftiau
Hafaliad cwadratig
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y = 3x + 4
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